18204981

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 24875520

約数和(自身を除く): 6670539

約数列:

[1, 3, 59, 163, 177, 489, 631, 1893, 9617, 28851, 37229, 102853, 111687, 308559, 6068327, 18204981]

約数ペア:

[(1, 18204981), (3, 6068327), (59, 308559), (163, 111687), (177, 102853), (489, 37229), (631, 28851), (1893, 9617)]