18301820

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2549}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 38556000

約数和(自身を除く): 20254180

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 2549, 3590, 5098, 7180, 10196, 12745, 25490, 50980, 915091, 1830182, 3660364, 4575455, 9150910, 18301820]

約数ペア:

[(1, 18301820), (2, 9150910), (4, 4575455), (5, 3660364), (10, 1830182), (20, 915091), (359, 50980), (718, 25490), (1436, 12745), (1795, 10196), (2549, 7180), (3590, 5098)]