18330255

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9473}}^1$

素因数の和:9527

約数の個数: 24

約数和(自身を含む): 32514768

約数和(自身を除く): 14184513

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9473, 28419, 47365, 85257, 142095, 407339, 426285, 1222017, 2036695, 3666051, 6110085, 18330255]

約数ペア:

[(1, 18330255), (3, 6110085), (5, 3666051), (9, 2036695), (15, 1222017), (43, 426285), (45, 407339), (129, 142095), (215, 85257), (387, 47365), (645, 28419), (1935, 9473)]