19310140

素因数分解:

$2^2\times 5^1\times {\mathrm{965507}}^1$

素因数の和:965516

約数の個数: 12

約数和(自身を含む): 40551336

約数和(自身を除く): 21241196

約数列:

[1, 2, 4, 5, 10, 20, 965507, 1931014, 3862028, 4827535, 9655070, 19310140]

約数ペア:

[(1, 19310140), (2, 9655070), (4, 4827535), (5, 3862028), (10, 1931014), (20, 965507)]