18508707

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3301}}^1$

素因数の和:3403

約数の個数: 24

約数和(自身を含む): 30906720

約数和(自身を除く): 12398013

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3301, 5607, 9903, 23107, 29709, 69321, 207963, 293789, 881367, 2056523, 2644101, 6169569, 18508707]

約数ペア:

[(1, 18508707), (3, 6169569), (7, 2644101), (9, 2056523), (21, 881367), (63, 293789), (89, 207963), (267, 69321), (623, 29709), (801, 23107), (1869, 9903), (3301, 5607)]