18129640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15629}}^1$

素因数の和:15669

約数の個数: 32

約数和(自身を含む): 42201000

約数和(自身を除く): 24071360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15629, 31258, 62516, 78145, 125032, 156290, 312580, 453241, 625160, 906482, 1812964, 2266205, 3625928, 4532410, 9064820, 18129640]

約数ペア:

[(1, 18129640), (2, 9064820), (4, 4532410), (5, 3625928), (8, 2266205), (10, 1812964), (20, 906482), (29, 625160), (40, 453241), (58, 312580), (116, 156290), (145, 125032), (232, 78145), (290, 62516), (580, 31258), (1160, 15629)]