19856804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7649}}^1$

素因数の和:7723

約数の個数: 24

約数和(自身を含む): 38556000

約数和(自身を除く): 18699196

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7649, 15298, 30596, 84139, 168278, 336556, 451291, 902582, 1805164, 4964201, 9928402, 19856804]

約数ペア:

[(1, 19856804), (2, 9928402), (4, 4964201), (11, 1805164), (22, 902582), (44, 451291), (59, 336556), (118, 168278), (236, 84139), (649, 30596), (1298, 15298), (2596, 7649)]