19943970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{664799}}^1$

素因数の和:664809

約数の個数: 16

約数和(自身を含む): 47865600

約数和(自身を除く): 27921630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 664799, 1329598, 1994397, 3323995, 3988794, 6647990, 9971985, 19943970]

約数ペア:

[(1, 19943970), (2, 9971985), (3, 6647990), (5, 3988794), (6, 3323995), (10, 1994397), (15, 1329598), (30, 664799)]