1900871815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{2521}}^1\times {\mathrm{7937}}^1$

素因数の和:10482

約数の個数: 16

約数和(自身を含む): 2402356320

約数和(自身を除く): 501484505

約数列:

[1, 5, 19, 95, 2521, 7937, 12605, 39685, 47899, 150803, 239495, 754015, 20009177, 100045885, 380174363, 1900871815]

約数ペア:

[(1, 1900871815), (5, 380174363), (19, 100045885), (95, 20009177), (2521, 754015), (7937, 239495), (12605, 150803), (39685, 47899)]