19818844

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 35335440

約数和(自身を除く): 15516596

約数列:

[1, 2, 4, 113, 163, 226, 269, 326, 452, 538, 652, 1076, 18419, 30397, 36838, 43847, 60794, 73676, 87694, 121588, 175388, 4954711, 9909422, 19818844]

約数ペア:

[(1, 19818844), (2, 9909422), (4, 4954711), (113, 175388), (163, 121588), (226, 87694), (269, 73676), (326, 60794), (452, 43847), (538, 36838), (652, 30397), (1076, 18419)]