1890037780

素因数分解:

$2^2\times 5^1\times {\mathrm{94501889}}^1$

素因数の和:94501898

約数の個数: 12

約数和(自身を含む): 3969079380

約数和(自身を除く): 2079041600

約数列:

[1, 2, 4, 5, 10, 20, 94501889, 189003778, 378007556, 472509445, 945018890, 1890037780]

約数ペア:

[(1, 1890037780), (2, 945018890), (4, 472509445), (5, 378007556), (10, 189003778), (20, 94501889)]