19399391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 21841920

約数和(自身を除く): 2442529

約数列:

[1, 11, 47, 157, 239, 517, 1727, 2629, 7379, 11233, 37523, 81169, 123563, 412753, 1763581, 19399391]

約数ペア:

[(1, 19399391), (11, 1763581), (47, 412753), (157, 123563), (239, 81169), (517, 37523), (1727, 11233), (2629, 7379)]