18996237

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 29720600

約数和(自身を除く): 10724363

約数列:

[1, 3, 9, 13, 39, 117, 229, 687, 709, 2061, 2127, 2977, 6381, 8931, 9217, 26793, 27651, 82953, 162361, 487083, 1461249, 2110693, 6332079, 18996237]

約数ペア:

[(1, 18996237), (3, 6332079), (9, 2110693), (13, 1461249), (39, 487083), (117, 162361), (229, 82953), (687, 27651), (709, 26793), (2061, 9217), (2127, 8931), (2977, 6381)]