18040610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8887}}^1$

素因数の和:8930

約数の個数: 32

約数和(自身を含む): 38396160

約数和(自身を除く): 20355550

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 8887, 17774, 44435, 62209, 88870, 124418, 257723, 311045, 515446, 622090, 1288615, 1804061, 2577230, 3608122, 9020305, 18040610]

約数ペア:

[(1, 18040610), (2, 9020305), (5, 3608122), (7, 2577230), (10, 1804061), (14, 1288615), (29, 622090), (35, 515446), (58, 311045), (70, 257723), (145, 124418), (203, 88870), (290, 62209), (406, 44435), (1015, 17774), (2030, 8887)]