18204471

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 27555840

約数和(自身を除く): 9351369

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 919, 2201, 2757, 6603, 8271, 19809, 28489, 65249, 85467, 195747, 256401, 587241, 2022719, 6068157, 18204471]

約数ペア:

[(1, 18204471), (3, 6068157), (9, 2022719), (31, 587241), (71, 256401), (93, 195747), (213, 85467), (279, 65249), (639, 28489), (919, 19809), (2201, 8271), (2757, 6603)]