18657204929

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{19861}}^1$

素因数の和:20021

約数の個数: 32

約数和(自身を含む): 21965783040

約数和(自身を除く): 3308578111

約数列:

[1, 11, 23, 47, 79, 253, 517, 869, 1081, 1817, 3713, 11891, 19861, 19987, 40843, 85399, 218471, 456803, 933467, 939389, 1569019, 5024833, 10268137, 17259209, 21469741, 36087437, 73743893, 236167151, 396961807, 811182823, 1696109539, 18657204929]

約数ペア:

[(1, 18657204929), (11, 1696109539), (23, 811182823), (47, 396961807), (79, 236167151), (253, 73743893), (517, 36087437), (869, 21469741), (1081, 17259209), (1817, 10268137), (3713, 5024833), (11891, 1569019), (19861, 939389), (19987, 933467), (40843, 456803), (85399, 218471)]