18186740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6359}}^1$

素因数の和:6392

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 26689420

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6359, 12718, 25436, 31795, 63590, 69949, 82667, 127180, 139898, 165334, 279796, 330668, 349745, 413335, 699490, 826670, 909337, 1398980, 1653340, 1818674, 3637348, 4546685, 9093370, 18186740]

約数ペア:

[(1, 18186740), (2, 9093370), (4, 4546685), (5, 3637348), (10, 1818674), (11, 1653340), (13, 1398980), (20, 909337), (22, 826670), (26, 699490), (44, 413335), (52, 349745), (55, 330668), (65, 279796), (110, 165334), (130, 139898), (143, 127180), (220, 82667), (260, 69949), (286, 63590), (572, 31795), (715, 25436), (1430, 12718), (2860, 6359)]