31688656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{104239}}^1$

素因数の和:104266

約数の個数: 20

約数和(自身を含む): 64628800

約数和(自身を除く): 32940144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 104239, 208478, 416956, 833912, 1667824, 1980541, 3961082, 7922164, 15844328, 31688656]

約数ペア:

[(1, 31688656), (2, 15844328), (4, 7922164), (8, 3961082), (16, 1980541), (19, 1667824), (38, 833912), (76, 416956), (152, 208478), (304, 104239)]