19699090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115877}}^1$

素因数の和:115901

約数の個数: 16

約数和(自身を含む): 37544472

約数和(自身を除く): 17845382

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 115877, 231754, 579385, 1158770, 1969909, 3939818, 9849545, 19699090]

約数ペア:

[(1, 19699090), (2, 9849545), (5, 3939818), (10, 1969909), (17, 1158770), (34, 579385), (85, 231754), (170, 115877)]