19916804

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5851}}^1$

素因数の和:5915

約数の個数: 24

約数和(自身を含む): 37359168

約数和(自身を除く): 17442364

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404, 5851, 11702, 23404, 134573, 216487, 269146, 432974, 538292, 865948, 4979201, 9958402, 19916804]

約数ペア:

[(1, 19916804), (2, 9958402), (4, 4979201), (23, 865948), (37, 538292), (46, 432974), (74, 269146), (92, 216487), (148, 134573), (851, 23404), (1702, 11702), (3404, 5851)]