18447471

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{709}}^1$

素因数の和:788

約数の個数: 36

約数和(自身を含む): 31566600

約数和(自身を除く): 13119129

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 709, 1239, 2127, 2891, 3717, 4963, 6381, 8673, 14889, 26019, 34741, 41831, 44667, 104223, 125493, 292817, 312669, 376479, 878451, 2049719, 2635353, 6149157, 18447471]

約数ペア:

[(1, 18447471), (3, 6149157), (7, 2635353), (9, 2049719), (21, 878451), (49, 376479), (59, 312669), (63, 292817), (147, 125493), (177, 104223), (413, 44667), (441, 41831), (531, 34741), (709, 26019), (1239, 14889), (2127, 8673), (2891, 6381), (3717, 4963)]