19835404

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{601}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 35869568

約数和(自身を除く): 16034164

約数列:

[1, 2, 4, 37, 74, 148, 223, 446, 601, 892, 1202, 2404, 8251, 16502, 22237, 33004, 44474, 88948, 134023, 268046, 536092, 4958851, 9917702, 19835404]

約数ペア:

[(1, 19835404), (2, 9917702), (4, 4958851), (37, 536092), (74, 268046), (148, 134023), (223, 88948), (446, 44474), (601, 33004), (892, 22237), (1202, 16502), (2404, 8251)]