19999110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666637}}^1$

素因数の和:666647

約数の個数: 16

約数和(自身を含む): 47997936

約数和(自身を除く): 27998826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666637, 1333274, 1999911, 3333185, 3999822, 6666370, 9999555, 19999110]

約数ペア:

[(1, 19999110), (2, 9999555), (3, 6666370), (5, 3999822), (6, 3333185), (10, 1999911), (15, 1333274), (30, 666637)]