18846549

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 28398240

約数和(自身を除く): 9551691

約数列:

[1, 3, 9, 29, 87, 163, 261, 443, 489, 1329, 1467, 3987, 4727, 12847, 14181, 38541, 42543, 72209, 115623, 216627, 649881, 2094061, 6282183, 18846549]

約数ペア:

[(1, 18846549), (3, 6282183), (9, 2094061), (29, 649881), (87, 216627), (163, 115623), (261, 72209), (443, 42543), (489, 38541), (1329, 14181), (1467, 12847), (3987, 4727)]