18062140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22027}}^1$

素因数の和:22077

約数の個数: 24

約数和(自身を含む): 38857392

約数和(自身を除く): 20795252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22027, 44054, 88108, 110135, 220270, 440540, 903107, 1806214, 3612428, 4515535, 9031070, 18062140]

約数ペア:

[(1, 18062140), (2, 9031070), (4, 4515535), (5, 3612428), (10, 1806214), (20, 903107), (41, 440540), (82, 220270), (164, 110135), (205, 88108), (410, 44054), (820, 22027)]