18184558

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 33120000

約数和(自身を除く): 14935442

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 499, 959, 998, 1918, 2603, 3493, 5206, 6986, 9481, 18221, 18962, 36442, 66367, 68363, 132734, 136726, 478541, 957082, 1298897, 2597794, 9092279, 18184558]

約数ペア:

[(1, 18184558), (2, 9092279), (7, 2597794), (14, 1298897), (19, 957082), (38, 478541), (133, 136726), (137, 132734), (266, 68363), (274, 66367), (499, 36442), (959, 18962), (998, 18221), (1918, 9481), (2603, 6986), (3493, 5206)]