18103293

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 10201347

約数列:

[1, 3, 9, 13, 39, 117, 359, 431, 1077, 1293, 3231, 3879, 4667, 5603, 14001, 16809, 42003, 50427, 154729, 464187, 1392561, 2011477, 6034431, 18103293]

約数ペア:

[(1, 18103293), (3, 6034431), (9, 2011477), (13, 1392561), (39, 464187), (117, 154729), (359, 50427), (431, 42003), (1077, 16809), (1293, 14001), (3231, 5603), (3879, 4667)]