18226089

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1174

約数の個数: 36

約数和(自身を含む): 31480644

約数和(自身を除く): 13254555

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1117, 1813, 2331, 3351, 5439, 7819, 10053, 16317, 23457, 41329, 54733, 70371, 123987, 164199, 289303, 371961, 492597, 867909, 2025121, 2603727, 6075363, 18226089]

約数ペア:

[(1, 18226089), (3, 6075363), (7, 2603727), (9, 2025121), (21, 867909), (37, 492597), (49, 371961), (63, 289303), (111, 164199), (147, 123987), (259, 70371), (333, 54733), (441, 41329), (777, 23457), (1117, 16317), (1813, 10053), (2331, 7819), (3351, 5439)]