19986726

素因数分解:

$2^1\times 3^1\times {\mathrm{311}}^1\times {\mathrm{10711}}^1$

素因数の和:11027

約数の個数: 16

約数和(自身を含む): 40105728

約数和(自身を除く): 20119002

約数列:

[1, 2, 3, 6, 311, 622, 933, 1866, 10711, 21422, 32133, 64266, 3331121, 6662242, 9993363, 19986726]

約数ペア:

[(1, 19986726), (2, 9993363), (3, 6662242), (6, 3331121), (311, 64266), (622, 32133), (933, 21422), (1866, 10711)]