18913220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32609}}^1$

素因数の和:32647

約数の個数: 24

約数和(自身を含む): 41088600

約数和(自身を除く): 22175380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32609, 65218, 130436, 163045, 326090, 652180, 945661, 1891322, 3782644, 4728305, 9456610, 18913220]

約数ペア:

[(1, 18913220), (2, 9456610), (4, 4728305), (5, 3782644), (10, 1891322), (20, 945661), (29, 652180), (58, 326090), (116, 163045), (145, 130436), (290, 65218), (580, 32609)]