19485820

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5101}}^1$

素因数の和:5301

約数の個数: 24

約数和(自身を含む): 41142528

約数和(自身を除く): 21656708

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5101, 10202, 20404, 25505, 51010, 102020, 974291, 1948582, 3897164, 4871455, 9742910, 19485820]

約数ペア:

[(1, 19485820), (2, 9742910), (4, 4871455), (5, 3897164), (10, 1948582), (20, 974291), (191, 102020), (382, 51010), (764, 25505), (955, 20404), (1910, 10202), (3820, 5101)]