Q: What is the sum of all factors of the number 18,878,870 excluding 18,878,870?

A: 15,434,890

Why is 15,434,890 the sum of all factors of 18,878,870, excluding 18,878,870?

The factors of the number 18,878,870 are: 1, 2, 5, 10, 103, 206, 515, 1030, 18329, 36658, 91645, 183290, 1887887, 3775774, 9439435, 18878870.

If you add them up, you will get the total of 18,878,885. Now subtract 18,878,870 to get 15,434,890

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