2019492740

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{210803}}^1$

素因数の和:211291

約数の個数: 24

約数和(自身を含む): 4249808640

約数和(自身を除く): 2230315900

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 210803, 421606, 843212, 1054015, 2108030, 4216060, 100974637, 201949274, 403898548, 504873185, 1009746370, 2019492740]

約数ペア:

[(1, 2019492740), (2, 1009746370), (4, 504873185), (5, 403898548), (10, 201949274), (20, 100974637), (479, 4216060), (958, 2108030), (1916, 1054015), (2395, 843212), (4790, 421606), (9580, 210803)]