19708276

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16369}}^1$

素因数の和:16423

約数の個数: 24

約数和(自身を含む): 40335680

約数和(自身を除く): 20627404

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16369, 32738, 65476, 114583, 229166, 458332, 703867, 1407734, 2815468, 4927069, 9854138, 19708276]

約数ペア:

[(1, 19708276), (2, 9854138), (4, 4927069), (7, 2815468), (14, 1407734), (28, 703867), (43, 458332), (86, 229166), (172, 114583), (301, 65476), (602, 32738), (1204, 16369)]