18405634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 30913344

約数和(自身を除く): 12507710

約数列:

[1, 2, 13, 26, 43, 86, 101, 163, 202, 326, 559, 1118, 1313, 2119, 2626, 4238, 4343, 7009, 8686, 14018, 16463, 32926, 56459, 91117, 112918, 182234, 214019, 428038, 707909, 1415818, 9202817, 18405634]

約数ペア:

[(1, 18405634), (2, 9202817), (13, 1415818), (26, 707909), (43, 428038), (86, 214019), (101, 182234), (163, 112918), (202, 91117), (326, 56459), (559, 32926), (1118, 16463), (1313, 14018), (2119, 8686), (2626, 7009), (4238, 4343)]