219921694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{134591}}^1$

素因数の和:134655

約数の個数: 16

約数和(自身を含む): 355322880

約数和(自身を除く): 135401186

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 134591, 269182, 2557229, 5114458, 5787413, 11574826, 109960847, 219921694]

約数ペア:

[(1, 219921694), (2, 109960847), (19, 11574826), (38, 5787413), (43, 5114458), (86, 2557229), (817, 269182), (1634, 134591)]