19967401

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{233}}^1$

素因数の和:392

約数の個数: 12

約数和(自身を含む): 21535956

約数和(自身を除く): 1568555

約数列:

[1, 17, 71, 233, 1207, 3961, 5041, 16543, 85697, 281231, 1174553, 19967401]

約数ペア:

[(1, 19967401), (17, 1174553), (71, 281231), (233, 85697), (1207, 16543), (3961, 5041)]