18506840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42061}}^1$

素因数の和:42083

約数の個数: 32

約数和(自身を含む): 45426960

約数和(自身を除く): 26920120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42061, 84122, 168244, 210305, 336488, 420610, 462671, 841220, 925342, 1682440, 1850684, 2313355, 3701368, 4626710, 9253420, 18506840]

約数ペア:

[(1, 18506840), (2, 9253420), (4, 4626710), (5, 3701368), (8, 2313355), (10, 1850684), (11, 1682440), (20, 925342), (22, 841220), (40, 462671), (44, 420610), (55, 336488), (88, 210305), (110, 168244), (220, 84122), (440, 42061)]