18905820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315097}}^1$

素因数の和:315109

約数の個数: 24

約数和(自身を含む): 52936464

約数和(自身を除く): 34030644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315097, 630194, 945291, 1260388, 1575485, 1890582, 3150970, 3781164, 4726455, 6301940, 9452910, 18905820]

約数ペア:

[(1, 18905820), (2, 9452910), (3, 6301940), (4, 4726455), (5, 3781164), (6, 3150970), (10, 1890582), (12, 1575485), (15, 1260388), (20, 945291), (30, 630194), (60, 315097)]