18555789

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51977}}^1$

素因数の和:52004

約数の個数: 16

約数和(自身を含む): 29939328

約数和(自身を除く): 11383539

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 51977, 155931, 363839, 883609, 1091517, 2650827, 6185263, 18555789]

約数ペア:

[(1, 18555789), (3, 6185263), (7, 2650827), (17, 1091517), (21, 883609), (51, 363839), (119, 155931), (357, 51977)]