18129268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2111}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 33707520

約数和(自身を除く): 15578252

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2111, 2147, 4222, 4294, 8444, 8588, 40109, 80218, 160436, 238543, 477086, 954172, 4532317, 9064634, 18129268]

約数ペア:

[(1, 18129268), (2, 9064634), (4, 4532317), (19, 954172), (38, 477086), (76, 238543), (113, 160436), (226, 80218), (452, 40109), (2111, 8588), (2147, 8444), (4222, 4294)]