18479818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69473}}^1$

素因数の和:69501

約数の個数: 16

約数和(自身を含む): 33347520

約数和(自身を除く): 14867702

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 69473, 138946, 486311, 972622, 1319987, 2639974, 9239909, 18479818]

約数ペア:

[(1, 18479818), (2, 9239909), (7, 2639974), (14, 1319987), (19, 972622), (38, 486311), (133, 138946), (266, 69473)]