18975580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 43676640

約数和(自身を除く): 24701060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1237, 1534, 2474, 3068, 3835, 4948, 6185, 7670, 12370, 15340, 16081, 24740, 32162, 64324, 72983, 80405, 145966, 160810, 291932, 321620, 364915, 729830, 948779, 1459660, 1897558, 3795116, 4743895, 9487790, 18975580]

約数ペア:

[(1, 18975580), (2, 9487790), (4, 4743895), (5, 3795116), (10, 1897558), (13, 1459660), (20, 948779), (26, 729830), (52, 364915), (59, 321620), (65, 291932), (118, 160810), (130, 145966), (236, 80405), (260, 72983), (295, 64324), (590, 32162), (767, 24740), (1180, 16081), (1237, 15340), (1534, 12370), (2474, 7670), (3068, 6185), (3835, 4948)]