19882281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1493}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 27824256

約数和(自身を除く): 7941975

約数列:

[1, 3, 23, 69, 193, 579, 1493, 4439, 4479, 13317, 34339, 103017, 288149, 864447, 6627427, 19882281]

約数ペア:

[(1, 19882281), (3, 6627427), (23, 864447), (69, 288149), (193, 103017), (579, 34339), (1493, 13317), (4439, 4479)]