19945167

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6791}}^1$

素因数の和:6894

約数の個数: 16

約数和(自身を含む): 29341440

約数和(自身を除く): 9396273

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6791, 20373, 74701, 224103, 604399, 1813197, 6648389, 19945167]

約数ペア:

[(1, 19945167), (3, 6648389), (11, 1813197), (33, 604399), (89, 224103), (267, 74701), (979, 20373), (2937, 6791)]