18404010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{22721}}^1$

素因数の和:22740

約数の個数: 40

約数和(自身を含む): 49488516

約数和(自身を除く): 31084506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 22721, 45442, 68163, 113605, 136326, 204489, 227210, 340815, 408978, 613467, 681630, 1022445, 1226934, 1840401, 2044890, 3067335, 3680802, 6134670, 9202005, 18404010]

約数ペア:

[(1, 18404010), (2, 9202005), (3, 6134670), (5, 3680802), (6, 3067335), (9, 2044890), (10, 1840401), (15, 1226934), (18, 1022445), (27, 681630), (30, 613467), (45, 408978), (54, 340815), (81, 227210), (90, 204489), (135, 136326), (162, 113605), (270, 68163), (405, 45442), (810, 22721)]