19888888

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{24137}}^1$

素因数の和:24246

約数の個数: 16

約数和(自身を含む): 37655280

約数和(自身を除く): 17766392

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 24137, 48274, 96548, 193096, 2486111, 4972222, 9944444, 19888888]

約数ペア:

[(1, 19888888), (2, 9944444), (4, 4972222), (8, 2486111), (103, 193096), (206, 96548), (412, 48274), (824, 24137)]