18488440

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3061}}^1$

素因数の和:3223

約数の個数: 32

約数和(自身を含む): 41888160

約数和(自身を除く): 23399720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3061, 6040, 6122, 12244, 15305, 24488, 30610, 61220, 122440, 462211, 924422, 1848844, 2311055, 3697688, 4622110, 9244220, 18488440]

約数ペア:

[(1, 18488440), (2, 9244220), (4, 4622110), (5, 3697688), (8, 2311055), (10, 1848844), (20, 924422), (40, 462211), (151, 122440), (302, 61220), (604, 30610), (755, 24488), (1208, 15305), (1510, 12244), (3020, 6122), (3061, 6040)]