19928049

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 27344064

約数和(自身を除く): 7416015

約数列:

[1, 3, 43, 129, 241, 641, 723, 1923, 10363, 27563, 31089, 82689, 154481, 463443, 6642683, 19928049]

約数ペア:

[(1, 19928049), (3, 6642683), (43, 463443), (129, 154481), (241, 82689), (641, 31089), (723, 27563), (1923, 10363)]