18217962020

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{868349}}^1$

素因数の和:869407

約数の個数: 24

約数和(自身を含む): 38294235000

約数和(自身を除く): 20076272980

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2098, 4196, 5245, 10490, 20980, 868349, 1736698, 3473396, 4341745, 8683490, 17366980, 910898101, 1821796202, 3643592404, 4554490505, 9108981010, 18217962020]

約数ペア:

[(1, 18217962020), (2, 9108981010), (4, 4554490505), (5, 3643592404), (10, 1821796202), (20, 910898101), (1049, 17366980), (2098, 8683490), (4196, 4341745), (5245, 3473396), (10490, 1736698), (20980, 868349)]