18713765

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8657755

約数列:

[1, 5, 7, 19, 35, 95, 107, 133, 263, 535, 665, 749, 1315, 1841, 2033, 3745, 4997, 9205, 10165, 14231, 24985, 28141, 34979, 71155, 140705, 174895, 196987, 534679, 984935, 2673395, 3742753, 18713765]

約数ペア:

[(1, 18713765), (5, 3742753), (7, 2673395), (19, 984935), (35, 534679), (95, 196987), (107, 174895), (133, 140705), (263, 71155), (535, 34979), (665, 28141), (749, 24985), (1315, 14231), (1841, 10165), (2033, 9205), (3745, 4997)]