Q: What is the sum of all factors of the number 18,721,534 excluding 18,721,534?

 A: 11,520,986

Why is 11,520,986 the sum of all factors of 18,721,534, excluding 18,721,534?

The factors of the number 18,721,534 are: 1, 2, 13, 26, 720059, 1440118, 9360767, 18721534.

If you add them up, you will get the total of 18,721,545. Now subtract 18,721,534 to get 11,520,986


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