18485260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22543}}^1$

素因数の和:22593

約数の個数: 24

約数和(自身を含む): 39767616

約数和(自身を除く): 21282356

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22543, 45086, 90172, 112715, 225430, 450860, 924263, 1848526, 3697052, 4621315, 9242630, 18485260]

約数ペア:

[(1, 18485260), (2, 9242630), (4, 4621315), (5, 3697052), (10, 1848526), (20, 924263), (41, 450860), (82, 225430), (164, 112715), (205, 90172), (410, 45086), (820, 22543)]