19804303

素因数分解:

${\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 16

約数和(自身を含む): 21924000

約数和(自身を除く): 2119697

約数列:

[1, 17, 29, 139, 289, 493, 2363, 4031, 4913, 8381, 40171, 68527, 142477, 682907, 1164959, 19804303]

約数ペア:

[(1, 19804303), (17, 1164959), (29, 682907), (139, 142477), (289, 68527), (493, 40171), (2363, 8381), (4031, 4913)]