19698965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27551}}^1$

素因数の和:27580

約数の個数: 16

約数和(自身を含む): 27772416

約数和(自身を除く): 8073451

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27551, 137755, 303061, 358163, 1515305, 1790815, 3939793, 19698965]

約数ペア:

[(1, 19698965), (5, 3939793), (11, 1790815), (13, 1515305), (55, 358163), (65, 303061), (143, 137755), (715, 27551)]