19090981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1087}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 23640064

約数和(自身を除く): 4549083

約数列:

[1, 7, 13, 91, 193, 1087, 1351, 2509, 7609, 14131, 17563, 98917, 209791, 1468537, 2727283, 19090981]

約数ペア:

[(1, 19090981), (7, 2727283), (13, 1468537), (91, 209791), (193, 98917), (1087, 17563), (1351, 14131), (2509, 7609)]