19661690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115657}}^1$

素因数の和:115681

約数の個数: 16

約数和(自身を含む): 37473192

約数和(自身を除く): 17811502

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 115657, 231314, 578285, 1156570, 1966169, 3932338, 9830845, 19661690]

約数ペア:

[(1, 19661690), (2, 9830845), (5, 3932338), (10, 1966169), (17, 1156570), (34, 578285), (85, 231314), (170, 115657)]