18156021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4271}}^1$

素因数の和:4396

約数の個数: 16

約数和(自身を含む): 26315520

約数和(自身を除く): 8159499

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4271, 12813, 55523, 166569, 465539, 1396617, 6052007, 18156021]

約数ペア:

[(1, 18156021), (3, 6052007), (13, 1396617), (39, 465539), (109, 166569), (327, 55523), (1417, 12813), (4251, 4271)]