18090440

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{733}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 40825080

約数和(自身を除く): 22734640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 733, 1234, 1466, 2468, 2932, 3085, 3665, 4936, 5864, 6170, 7330, 12340, 14660, 24680, 29320, 452261, 904522, 1809044, 2261305, 3618088, 4522610, 9045220, 18090440]

約数ペア:

[(1, 18090440), (2, 9045220), (4, 4522610), (5, 3618088), (8, 2261305), (10, 1809044), (20, 904522), (40, 452261), (617, 29320), (733, 24680), (1234, 14660), (1466, 12340), (2468, 7330), (2932, 6170), (3085, 5864), (3665, 4936)]