18633460

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2213}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 39240936

約数和(自身を除く): 20607476

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2213, 4210, 4426, 8420, 8852, 11065, 22130, 44260, 931673, 1863346, 3726692, 4658365, 9316730, 18633460]

約数ペア:

[(1, 18633460), (2, 9316730), (4, 4658365), (5, 3726692), (10, 1863346), (20, 931673), (421, 44260), (842, 22130), (1684, 11065), (2105, 8852), (2213, 8420), (4210, 4426)]