19872086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2129}}^1$

素因数の和:2503

約数の個数: 16

約数和(自身を含む): 32205600

約数和(自身を除く): 12333514

約数列:

[1, 2, 13, 26, 359, 718, 2129, 4258, 4667, 9334, 27677, 55354, 764311, 1528622, 9936043, 19872086]

約数ペア:

[(1, 19872086), (2, 9936043), (13, 1528622), (26, 764311), (359, 55354), (718, 27677), (2129, 9334), (4258, 4667)]