19938864069

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43439791}}^1$

素因数の和:43439817

約数の個数: 16

約数和(自身を含む): 31276650240

約数和(自身を除く): 11337786171

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43439791, 130319373, 390958119, 738476447, 1172874357, 2215429341, 6646288023, 19938864069]

約数ペア:

[(1, 19938864069), (3, 6646288023), (9, 2215429341), (17, 1172874357), (27, 738476447), (51, 390958119), (153, 130319373), (459, 43439791)]