19202860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56479}}^1$

素因数の和:56505

約数の個数: 24

約数和(自身を含む): 42698880

約数和(自身を除く): 23496020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56479, 112958, 225916, 282395, 564790, 960143, 1129580, 1920286, 3840572, 4800715, 9601430, 19202860]

約数ペア:

[(1, 19202860), (2, 9601430), (4, 4800715), (5, 3840572), (10, 1920286), (17, 1129580), (20, 960143), (34, 564790), (68, 282395), (85, 225916), (170, 112958), (340, 56479)]