19993449

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4933}}^1$

素因数の和:5136

約数の個数: 16

約数和(自身を含む): 30630272

約数和(自身を除く): 10636823

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4933, 14799, 34531, 103593, 952069, 2856207, 6664483, 19993449]

約数ペア:

[(1, 19993449), (3, 6664483), (7, 2856207), (21, 952069), (193, 103593), (579, 34531), (1351, 14799), (4053, 4933)]