19857490

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{17573}}^1$

素因数の和:17693

約数の個数: 16

約数和(自身を含む): 36061848

約数和(自身を除く): 16204358

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 17573, 35146, 87865, 175730, 1985749, 3971498, 9928745, 19857490]

約数ペア:

[(1, 19857490), (2, 9928745), (5, 3971498), (10, 1985749), (113, 175730), (226, 87865), (565, 35146), (1130, 17573)]