19856583

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5701}}^1$

素因数の和:5756

約数の個数: 20

約数和(自身を含む): 30357448

約数和(自身を除く): 10500865

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5701, 17103, 51309, 153927, 245143, 461781, 735429, 2206287, 6618861, 19856583]

約数ペア:

[(1, 19856583), (3, 6618861), (9, 2206287), (27, 735429), (43, 461781), (81, 245143), (129, 153927), (387, 51309), (1161, 17103), (3483, 5701)]