18815692816

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22188317}}^1$

素因数の和:22188378

約数の個数: 20

約数和(自身を含む): 37143244332

約数和(自身を除く): 18327551516

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22188317, 44376634, 88753268, 177506536, 355013072, 1175980801, 2351961602, 4703923204, 9407846408, 18815692816]

約数ペア:

[(1, 18815692816), (2, 9407846408), (4, 4703923204), (8, 2351961602), (16, 1175980801), (53, 355013072), (106, 177506536), (212, 88753268), (424, 44376634), (848, 22188317)]