1898180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 4027968

約数和(自身を除く): 2129788

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 887, 1070, 1774, 2140, 3548, 4435, 8870, 17740, 94909, 189818, 379636, 474545, 949090, 1898180]

約数ペア:

[(1, 1898180), (2, 949090), (4, 474545), (5, 379636), (10, 189818), (20, 94909), (107, 17740), (214, 8870), (428, 4435), (535, 3548), (887, 2140), (1070, 1774)]