18728437

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29401}}^1$

素因数の和:29428

約数の個数: 12

約数和(自身を含む): 23462796

約数和(自身を除く): 4734359

約数列:

[1, 7, 13, 49, 91, 637, 29401, 205807, 382213, 1440649, 2675491, 18728437]

約数ペア:

[(1, 18728437), (7, 2675491), (13, 1440649), (49, 382213), (91, 205807), (637, 29401)]