19150263

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21493}}^1$

素因数の和:21516

約数の個数: 20

約数和(自身を含む): 31209288

約数和(自身を除く): 12059025

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21493, 64479, 193437, 236423, 580311, 709269, 1740933, 2127807, 6383421, 19150263]

約数ペア:

[(1, 19150263), (3, 6383421), (9, 2127807), (11, 1740933), (27, 709269), (33, 580311), (81, 236423), (99, 193437), (297, 64479), (891, 21493)]