18745826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{3821}}^1$

素因数の和:4057

約数の個数: 16

約数和(自身を含む): 30820608

約数和(自身を除く): 12074782

約数列:

[1, 2, 11, 22, 223, 446, 2453, 3821, 4906, 7642, 42031, 84062, 852083, 1704166, 9372913, 18745826]

約数ペア:

[(1, 18745826), (2, 9372913), (11, 1704166), (22, 852083), (223, 84062), (446, 42031), (2453, 7642), (3821, 4906)]