18378261

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2543}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 29367936

約数和(自身を除く): 10989675

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2543, 7227, 7629, 22887, 27973, 83919, 185639, 251757, 556917, 1670751, 2042029, 6126087, 18378261]

約数ペア:

[(1, 18378261), (3, 6126087), (9, 2042029), (11, 1670751), (33, 556917), (73, 251757), (99, 185639), (219, 83919), (657, 27973), (803, 22887), (2409, 7629), (2543, 7227)]