18489740

素因数分解:

$2^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{1559}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 20429140

約数列:

[1, 2, 4, 5, 10, 20, 593, 1186, 1559, 2372, 2965, 3118, 5930, 6236, 7795, 11860, 15590, 31180, 924487, 1848974, 3697948, 4622435, 9244870, 18489740]

約数ペア:

[(1, 18489740), (2, 9244870), (4, 4622435), (5, 3697948), (10, 1848974), (20, 924487), (593, 31180), (1186, 15590), (1559, 11860), (2372, 7795), (2965, 6236), (3118, 5930)]