18009404

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2029}}^1$

素因数の和:2357

約数の個数: 24

約数和(自身を含む): 36150240

約数和(自身を除く): 18140836

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2029, 2219, 4058, 4438, 8116, 8876, 14203, 28406, 56812, 643193, 1286386, 2572772, 4502351, 9004702, 18009404]

約数ペア:

[(1, 18009404), (2, 9004702), (4, 4502351), (7, 2572772), (14, 1286386), (28, 643193), (317, 56812), (634, 28406), (1268, 14203), (2029, 8876), (2219, 8116), (4058, 4438)]