18013130

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 33511104

約数和(自身を除く): 15497974

約数列:

[1, 2, 5, 10, 43, 86, 163, 215, 257, 326, 430, 514, 815, 1285, 1630, 2570, 7009, 11051, 14018, 22102, 35045, 41891, 55255, 70090, 83782, 110510, 209455, 418910, 1801313, 3602626, 9006565, 18013130]

約数ペア:

[(1, 18013130), (2, 9006565), (5, 3602626), (10, 1801313), (43, 418910), (86, 209455), (163, 110510), (215, 83782), (257, 70090), (326, 55255), (430, 41891), (514, 35045), (815, 22102), (1285, 14018), (1630, 11051), (2570, 7009)]