19690001

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{463}}^1$

素因数の和:572

約数の個数: 12

約数和(自身を含む): 21080448

約数和(自身を除く): 1390447

約数列:

[1, 23, 43, 463, 989, 1849, 10649, 19909, 42527, 457907, 856087, 19690001]

約数ペア:

[(1, 19690001), (23, 856087), (43, 457907), (463, 42527), (989, 19909), (1849, 10649)]