19430854

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{709}}^1$

素因数の和:975

約数の個数: 16

約数和(自身を含む): 29751840

約数和(自身を除く): 10320986

約数列:

[1, 2, 71, 142, 193, 386, 709, 1418, 13703, 27406, 50339, 100678, 136837, 273674, 9715427, 19430854]

約数ペア:

[(1, 19430854), (2, 9715427), (71, 273674), (142, 136837), (193, 100678), (386, 50339), (709, 27406), (1418, 13703)]