18306243

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{1171}}^1$

素因数の和:1376

約数の個数: 20

約数和(自身を含む): 27511528

約数和(自身を除く): 9205285

約数列:

[1, 3, 9, 27, 81, 193, 579, 1171, 1737, 3513, 5211, 10539, 15633, 31617, 94851, 226003, 678009, 2034027, 6102081, 18306243]

約数ペア:

[(1, 18306243), (3, 6102081), (9, 2034027), (27, 678009), (81, 226003), (193, 94851), (579, 31617), (1171, 15633), (1737, 10539), (3513, 5211)]