18061771

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 23482368

約数和(自身を除く): 5420597

約数列:

[1, 7, 13, 41, 47, 91, 103, 287, 329, 533, 611, 721, 1339, 1927, 3731, 4223, 4277, 4841, 9373, 13489, 25051, 29561, 33887, 54899, 62933, 175357, 198481, 384293, 440531, 1389367, 2580253, 18061771]

約数ペア:

[(1, 18061771), (7, 2580253), (13, 1389367), (41, 440531), (47, 384293), (91, 198481), (103, 175357), (287, 62933), (329, 54899), (533, 33887), (611, 29561), (721, 25051), (1339, 13489), (1927, 9373), (3731, 4841), (4223, 4277)]