18809619

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 25872000

約数和(自身を除く): 7062381

約数列:

[1, 3, 43, 129, 139, 417, 1049, 3147, 5977, 17931, 45107, 135321, 145811, 437433, 6269873, 18809619]

約数ペア:

[(1, 18809619), (3, 6269873), (43, 437433), (129, 145811), (139, 135321), (417, 45107), (1049, 17931), (3147, 5977)]