18722457

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9413}}^1$

素因数の和:9449

約数の個数: 24

約数和(自身を含む): 30840264

約数和(自身を除く): 12117807

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9413, 28239, 84717, 122369, 160021, 367107, 480063, 1101321, 1440189, 2080273, 6240819, 18722457]

約数ペア:

[(1, 18722457), (3, 6240819), (9, 2080273), (13, 1440189), (17, 1101321), (39, 480063), (51, 367107), (117, 160021), (153, 122369), (221, 84717), (663, 28239), (1989, 9413)]