194780620

素因数分解:

$2^2\times 5^1\times {\mathrm{9739031}}^1$

素因数の和:9739040

約数の個数: 12

約数和(自身を含む): 409039344

約数和(自身を除く): 214258724

約数列:

[1, 2, 4, 5, 10, 20, 9739031, 19478062, 38956124, 48695155, 97390310, 194780620]

約数ペア:

[(1, 194780620), (2, 97390310), (4, 48695155), (5, 38956124), (10, 19478062), (20, 9739031)]