19410366980

素因数分解:

$2^2\times 5^1\times {\mathrm{970518349}}^1$

素因数の和:970518358

約数の個数: 12

約数和(自身を含む): 40761770700

約数和(自身を除く): 21351403720

約数列:

[1, 2, 4, 5, 10, 20, 970518349, 1941036698, 3882073396, 4852591745, 9705183490, 19410366980]

約数ペア:

[(1, 19410366980), (2, 9705183490), (4, 4852591745), (5, 3882073396), (10, 1941036698), (20, 970518349)]