19418619

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2957}}^1$

素因数の和:3170

約数の個数: 16

約数和(自身を含む): 28396800

約数和(自身を除く): 8978181

約数列:

[1, 3, 11, 33, 199, 597, 2189, 2957, 6567, 8871, 32527, 97581, 588443, 1765329, 6472873, 19418619]

約数ペア:

[(1, 19418619), (3, 6472873), (11, 1765329), (33, 588443), (199, 97581), (597, 32527), (2189, 8871), (2957, 6567)]