18564909

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 27451200

約数和(自身を除く): 8886291

約数列:

[1, 3, 11, 33, 121, 199, 257, 363, 597, 771, 2189, 2827, 6567, 8481, 24079, 31097, 51143, 72237, 93291, 153429, 562573, 1687719, 6188303, 18564909]

約数ペア:

[(1, 18564909), (3, 6188303), (11, 1687719), (33, 562573), (121, 153429), (199, 93291), (257, 72237), (363, 51143), (597, 31097), (771, 24079), (2189, 8481), (2827, 6567)]