19704969

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53401}}^1$

素因数の和:53448

約数の個数: 12

約数和(自身を含む): 29157492

約数和(自身を除く): 9452523

約数列:

[1, 3, 9, 41, 123, 369, 53401, 160203, 480609, 2189441, 6568323, 19704969]

約数ペア:

[(1, 19704969), (3, 6568323), (9, 2189441), (41, 480609), (123, 160203), (369, 53401)]