18732620

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2609}}^1$

素因数の和:2977

約数の個数: 24

約数和(自身を含む): 39463200

約数和(自身を除く): 20730580

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 2609, 3590, 5218, 7180, 10436, 13045, 26090, 52180, 936631, 1873262, 3746524, 4683155, 9366310, 18732620]

約数ペア:

[(1, 18732620), (2, 9366310), (4, 4683155), (5, 3746524), (10, 1873262), (20, 936631), (359, 52180), (718, 26090), (1436, 13045), (1795, 10436), (2609, 7180), (3590, 5218)]