18665181

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{11717}}^1$

素因数の和:11785

約数の個数: 16

約数和(自身を含む): 28123200

約数和(自身を除く): 9458019

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 11717, 35151, 105453, 316359, 691303, 2073909, 6221727, 18665181]

約数ペア:

[(1, 18665181), (3, 6221727), (9, 2073909), (27, 691303), (59, 316359), (177, 105453), (531, 35151), (1593, 11717)]