18365740

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6163}}^1$

素因数の和:6321

約数の個数: 24

約数和(自身を含む): 38833200

約数和(自身を除く): 20467460

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6163, 12326, 24652, 30815, 61630, 123260, 918287, 1836574, 3673148, 4591435, 9182870, 18365740]

約数ペア:

[(1, 18365740), (2, 9182870), (4, 4591435), (5, 3673148), (10, 1836574), (20, 918287), (149, 123260), (298, 61630), (596, 30815), (745, 24652), (1490, 12326), (2980, 6163)]