18303885

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2969}}^1$

素因数の和:3117

約数の個数: 24

約数和(自身を含む): 31969080

約数和(自身を除く): 13665195

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 2969, 6165, 8907, 14845, 26721, 44535, 133605, 406753, 1220259, 2033765, 3660777, 6101295, 18303885]

約数ペア:

[(1, 18303885), (3, 6101295), (5, 3660777), (9, 2033765), (15, 1220259), (45, 406753), (137, 133605), (411, 44535), (685, 26721), (1233, 14845), (2055, 8907), (2969, 6165)]