19933220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6689}}^1$

素因数の和:6847

約数の個数: 24

約数和(自身を含む): 42147000

約数和(自身を除く): 22213780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6689, 13378, 26756, 33445, 66890, 133780, 996661, 1993322, 3986644, 4983305, 9966610, 19933220]

約数ペア:

[(1, 19933220), (2, 9966610), (4, 4983305), (5, 3986644), (10, 1993322), (20, 996661), (149, 133780), (298, 66890), (596, 33445), (745, 26756), (1490, 13378), (2980, 6689)]