18165620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82571}}^1$

素因数の和:82591

約数の個数: 24

約数和(自身を含む): 41616288

約数和(自身を除く): 23450668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82571, 165142, 330284, 412855, 825710, 908281, 1651420, 1816562, 3633124, 4541405, 9082810, 18165620]

約数ペア:

[(1, 18165620), (2, 9082810), (4, 4541405), (5, 3633124), (10, 1816562), (11, 1651420), (20, 908281), (22, 825710), (44, 412855), (55, 330284), (110, 165142), (220, 82571)]