18485780

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2953}}^1$

素因数の和:3275

約数の個数: 24

約数和(自身を含む): 38957352

約数和(自身を除く): 20471572

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2953, 3130, 5906, 6260, 11812, 14765, 29530, 59060, 924289, 1848578, 3697156, 4621445, 9242890, 18485780]

約数ペア:

[(1, 18485780), (2, 9242890), (4, 4621445), (5, 3697156), (10, 1848578), (20, 924289), (313, 59060), (626, 29530), (1252, 14765), (1565, 11812), (2953, 6260), (3130, 5906)]