18425620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54193}}^1$

素因数の和:54219

約数の個数: 24

約数和(自身を含む): 40970664

約数和(自身を除く): 22545044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54193, 108386, 216772, 270965, 541930, 921281, 1083860, 1842562, 3685124, 4606405, 9212810, 18425620]

約数ペア:

[(1, 18425620), (2, 9212810), (4, 4606405), (5, 3685124), (10, 1842562), (17, 1083860), (20, 921281), (34, 541930), (68, 270965), (85, 216772), (170, 108386), (340, 54193)]