18419180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70843}}^1$

素因数の和:70865

約数の個数: 24

約数和(自身を含む): 41656272

約数和(自身を除く): 23237092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70843, 141686, 283372, 354215, 708430, 920959, 1416860, 1841918, 3683836, 4604795, 9209590, 18419180]

約数ペア:

[(1, 18419180), (2, 9209590), (4, 4604795), (5, 3683836), (10, 1841918), (13, 1416860), (20, 920959), (26, 708430), (52, 354215), (65, 283372), (130, 141686), (260, 70843)]