18811663

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 20865600

約数和(自身を除く): 2053937

約数列:

[1, 13, 71, 89, 229, 923, 1157, 2977, 6319, 16259, 20381, 82147, 211367, 264953, 1447051, 18811663]

約数ペア:

[(1, 18811663), (13, 1447051), (71, 264953), (89, 211367), (229, 82147), (923, 20381), (1157, 16259), (2977, 6319)]