19391211

素因数分解:

$3^3\times 7^2\times {\mathrm{14657}}^1$

素因数の和:14680

約数の個数: 24

約数和(自身を含む): 33420240

約数和(自身を除く): 14029029

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14657, 43971, 102599, 131913, 307797, 395739, 718193, 923391, 2154579, 2770173, 6463737, 19391211]

約数ペア:

[(1, 19391211), (3, 6463737), (7, 2770173), (9, 2154579), (21, 923391), (27, 718193), (49, 395739), (63, 307797), (147, 131913), (189, 102599), (441, 43971), (1323, 14657)]