18859115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18047}}^1$

素因数の和:18082

約数の個数: 16

約数和(自身を含む): 25989120

約数和(自身を除く): 7130005

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18047, 90235, 198517, 342893, 992585, 1714465, 3771823, 18859115]

約数ペア:

[(1, 18859115), (5, 3771823), (11, 1714465), (19, 992585), (55, 342893), (95, 198517), (209, 90235), (1045, 18047)]