18130220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31259}}^1$

素因数の和:31297

約数の個数: 24

約数和(自身を含む): 39387600

約数和(自身を除く): 21257380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31259, 62518, 125036, 156295, 312590, 625180, 906511, 1813022, 3626044, 4532555, 9065110, 18130220]

約数ペア:

[(1, 18130220), (2, 9065110), (4, 4532555), (5, 3626044), (10, 1813022), (20, 906511), (29, 625180), (58, 312590), (116, 156295), (145, 125036), (290, 62518), (580, 31259)]