Q: What is the sum of all factors of the number 18,988,990 excluding 18,988,990?

 A: 15,240,962

Why is 15,240,962 the sum of all factors of 18,988,990, excluding 18,988,990?

The factors of the number 18,988,990 are: 1, 2, 5, 10, 1277, 1487, 2554, 2974, 6385, 7435, 12770, 14870, 1898899, 3797798, 9494495, 18988990.

If you add them up, you will get the total of 18,989,005. Now subtract 18,988,990 to get 15,240,962


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