19404309

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{419}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 7206891

約数列:

[1, 3, 43, 129, 359, 419, 1077, 1257, 15437, 18017, 46311, 54051, 150421, 451263, 6468103, 19404309]

約数ペア:

[(1, 19404309), (3, 6468103), (43, 451263), (129, 150421), (359, 54051), (419, 46311), (1077, 18017), (1257, 15437)]