18264380

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3821}}^1$

素因数の和:4069

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 20261380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 3821, 4780, 7642, 15284, 19105, 38210, 76420, 913219, 1826438, 3652876, 4566095, 9132190, 18264380]

約数ペア:

[(1, 18264380), (2, 9132190), (4, 4566095), (5, 3652876), (10, 1826438), (20, 913219), (239, 76420), (478, 38210), (956, 19105), (1195, 15284), (2390, 7642), (3821, 4780)]