18894087

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{18913}}^1$

素因数の和:18959

約数の個数: 16

約数和(自身を含む): 28749280

約数和(自身を除く): 9855193

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 18913, 56739, 170217, 510651, 699781, 2099343, 6298029, 18894087]

約数ペア:

[(1, 18894087), (3, 6298029), (9, 2099343), (27, 699781), (37, 510651), (111, 170217), (333, 56739), (999, 18913)]