18106040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2777}}^1$

素因数の和:2951

約数の個数: 32

約数和(自身を含む): 41003280

約数和(自身を除く): 22897240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2777, 3260, 5554, 6520, 11108, 13885, 22216, 27770, 55540, 111080, 452651, 905302, 1810604, 2263255, 3621208, 4526510, 9053020, 18106040]

約数ペア:

[(1, 18106040), (2, 9053020), (4, 4526510), (5, 3621208), (8, 2263255), (10, 1810604), (20, 905302), (40, 452651), (163, 111080), (326, 55540), (652, 27770), (815, 22216), (1304, 13885), (1630, 11108), (2777, 6520), (3260, 5554)]