18201386

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 32624640

約数和(自身を除く): 14423254

約数列:

[1, 2, 7, 14, 29, 58, 127, 203, 254, 353, 406, 706, 889, 1778, 2471, 3683, 4942, 7366, 10237, 20474, 25781, 44831, 51562, 71659, 89662, 143318, 313817, 627634, 1300099, 2600198, 9100693, 18201386]

約数ペア:

[(1, 18201386), (2, 9100693), (7, 2600198), (14, 1300099), (29, 627634), (58, 313817), (127, 143318), (203, 89662), (254, 71659), (353, 51562), (406, 44831), (706, 25781), (889, 20474), (1778, 10237), (2471, 7366), (3683, 4942)]