The positive divisors of 12 (other than itself) are 1,2,3,4, and 6. Their sum, 1+2+3+4+6, is greater than 12. An abundant number is a number for which the sum of its positive divisors (other than itself) is greater than the number itself. This means that 12 is an abundant number. Which of the following is also an abundant number?
Answer Choices
A. 8
B. 10
C. 14
D. 18
E. 22