18908628

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^2\times {\mathrm{1151}}^1$

素因数の和:1232

約数の個数: 36

約数和(自身を含む): 45384192

約数和(自身を除く): 26475564

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 1151, 1369, 2302, 2738, 3453, 4107, 4604, 5476, 6906, 8214, 13812, 16428, 42587, 85174, 127761, 170348, 255522, 511044, 1575719, 3151438, 4727157, 6302876, 9454314, 18908628]

約数ペア:

[(1, 18908628), (2, 9454314), (3, 6302876), (4, 4727157), (6, 3151438), (12, 1575719), (37, 511044), (74, 255522), (111, 170348), (148, 127761), (222, 85174), (444, 42587), (1151, 16428), (1369, 13812), (2302, 8214), (2738, 6906), (3453, 5476), (4107, 4604)]