18286263

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{9539}}^1$

素因数の和:9619

約数の個数: 16

約数和(自身を含む): 27475200

約数和(自身を除く): 9188937

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 9539, 28617, 85851, 257553, 677269, 2031807, 6095421, 18286263]

約数ペア:

[(1, 18286263), (3, 6095421), (9, 2031807), (27, 677269), (71, 257553), (213, 85851), (639, 28617), (1917, 9539)]