18782553

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 25660800

約数和(自身を除く): 6878247

約数列:

[1, 3, 71, 109, 213, 327, 809, 2427, 7739, 23217, 57439, 88181, 172317, 264543, 6260851, 18782553]

約数ペア:

[(1, 18782553), (3, 6260851), (71, 264543), (109, 172317), (213, 88181), (327, 57439), (809, 23217), (2427, 7739)]