18931759

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4639}}^1$

素因数の和:4710

約数の個数: 16

約数和(自身を含む): 24053760

約数和(自身を除く): 5122001

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 4639, 32473, 51029, 245867, 357203, 1721069, 2704537, 18931759]

約数ペア:

[(1, 18931759), (7, 2704537), (11, 1721069), (53, 357203), (77, 245867), (371, 51029), (583, 32473), (4081, 4639)]