38418140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17623}}^1$

素因数の和:17741

約数の個数: 24

約数和(自身を含む): 81422880

約数和(自身を除く): 43004740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 17623, 35246, 70492, 88115, 176230, 352460, 1920907, 3841814, 7683628, 9604535, 19209070, 38418140]

約数ペア:

[(1, 38418140), (2, 19209070), (4, 9604535), (5, 7683628), (10, 3841814), (20, 1920907), (109, 352460), (218, 176230), (436, 88115), (545, 70492), (1090, 35246), (2180, 17623)]