18184444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 17458436

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 101, 103, 202, 206, 404, 412, 437, 874, 1748, 1919, 1957, 2323, 2369, 3838, 3914, 4646, 4738, 7676, 7828, 9292, 9476, 10403, 20806, 41612, 44137, 45011, 88274, 90022, 176548, 180044, 197657, 239269, 395314, 478538, 790628, 957076, 4546111, 9092222, 18184444]

約数ペア:

[(1, 18184444), (2, 9092222), (4, 4546111), (19, 957076), (23, 790628), (38, 478538), (46, 395314), (76, 239269), (92, 197657), (101, 180044), (103, 176548), (202, 90022), (206, 88274), (404, 45011), (412, 44137), (437, 41612), (874, 20806), (1748, 10403), (1919, 9476), (1957, 9292), (2323, 7828), (2369, 7676), (3838, 4738), (3914, 4646)]