18255620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53693}}^1$

素因数の和:53719

約数の個数: 24

約数和(自身を含む): 40592664

約数和(自身を除く): 22337044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53693, 107386, 214772, 268465, 536930, 912781, 1073860, 1825562, 3651124, 4563905, 9127810, 18255620]

約数ペア:

[(1, 18255620), (2, 9127810), (4, 4563905), (5, 3651124), (10, 1825562), (17, 1073860), (20, 912781), (34, 536930), (68, 268465), (85, 214772), (170, 107386), (340, 53693)]