18852417

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 27937728

約数和(自身を除く): 9085311

約数列:

[1, 3, 9, 71, 163, 181, 213, 489, 543, 639, 1467, 1629, 11573, 12851, 29503, 34719, 38553, 88509, 104157, 115659, 265527, 2094713, 6284139, 18852417]

約数ペア:

[(1, 18852417), (3, 6284139), (9, 2094713), (71, 265527), (163, 115659), (181, 104157), (213, 88509), (489, 38553), (543, 34719), (639, 29503), (1467, 12851), (1629, 11573)]