19286721

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42019}}^1$

素因数の和:42045

約数の個数: 16

約数和(自身を含む): 30254400

約数和(自身を除く): 10967679

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42019, 126057, 378171, 714323, 1134513, 2142969, 6428907, 19286721]

約数ペア:

[(1, 19286721), (3, 6428907), (9, 2142969), (17, 1134513), (27, 714323), (51, 378171), (153, 126057), (459, 42019)]