18968823

素因数分解:

$3^5\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 28619136

約数和(自身を除く): 9650313

約数列:

[1, 3, 9, 27, 81, 243, 251, 311, 753, 933, 2259, 2799, 6777, 8397, 20331, 25191, 60993, 75573, 78061, 234183, 702549, 2107647, 6322941, 18968823]

約数ペア:

[(1, 18968823), (3, 6322941), (9, 2107647), (27, 702549), (81, 234183), (243, 78061), (251, 75573), (311, 60993), (753, 25191), (933, 20331), (2259, 8397), (2799, 6777)]