19490949

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5869}}^1$

素因数の和:5922

約数の個数: 20

約数和(自身を含む): 29831340

約数和(自身を除く): 10340391

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5869, 17607, 52821, 158463, 240629, 475389, 721887, 2165661, 6496983, 19490949]

約数ペア:

[(1, 19490949), (3, 6496983), (9, 2165661), (27, 721887), (41, 475389), (81, 240629), (123, 158463), (369, 52821), (1107, 17607), (3321, 5869)]