18216253

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 20995200

約数和(自身を除く): 2778947

約数列:

[1, 11, 23, 89, 253, 809, 979, 2047, 8899, 18607, 22517, 72001, 204677, 792011, 1656023, 18216253]

約数ペア:

[(1, 18216253), (11, 1656023), (23, 792011), (89, 204677), (253, 72001), (809, 22517), (979, 18607), (2047, 8899)]