18556707

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2153}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 28381104

約数和(自身を除く): 9824397

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 507, 663, 2153, 2873, 6459, 8619, 27989, 36601, 83967, 109803, 363857, 475813, 1091571, 1427439, 6185569, 18556707]

約数ペア:

[(1, 18556707), (3, 6185569), (13, 1427439), (17, 1091571), (39, 475813), (51, 363857), (169, 109803), (221, 83967), (507, 36601), (663, 27989), (2153, 8619), (2873, 6459)]