19745007

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2027}}^1$

素因数の和:2238

約数の個数: 16

約数和(自身を含む): 28035072

約数和(自身を除く): 8290065

約数列:

[1, 3, 17, 51, 191, 573, 2027, 3247, 6081, 9741, 34459, 103377, 387157, 1161471, 6581669, 19745007]

約数ペア:

[(1, 19745007), (3, 6581669), (17, 1161471), (51, 387157), (191, 103377), (573, 34459), (2027, 9741), (3247, 6081)]