17905147

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 19950112

約数和(自身を除く): 2044965

約数列:

[1, 13, 61, 67, 337, 793, 871, 4087, 4381, 20557, 22579, 53131, 267241, 293527, 1377319, 17905147]

約数ペア:

[(1, 17905147), (13, 1377319), (61, 293527), (67, 267241), (337, 53131), (793, 22579), (871, 20557), (4087, 4381)]