19521238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2003}}^1$

素因数の和:2459

約数の個数: 16

約数和(自身を含む): 32031936

約数和(自身を除く): 12510698

約数列:

[1, 2, 11, 22, 443, 886, 2003, 4006, 4873, 9746, 22033, 44066, 887329, 1774658, 9760619, 19521238]

約数ペア:

[(1, 19521238), (2, 9760619), (11, 1774658), (22, 887329), (443, 44066), (886, 22033), (2003, 9746), (4006, 4873)]