19706689

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 21928320

約数和(自身を除く): 2221631

約数列:

[1, 17, 29, 71, 493, 563, 1207, 2059, 9571, 16327, 35003, 39973, 277559, 679541, 1159217, 19706689]

約数ペア:

[(1, 19706689), (17, 1159217), (29, 679541), (71, 277559), (493, 39973), (563, 35003), (1207, 16327), (2059, 9571)]