19992012

素因数分解:

$2^2\times 3^1\times {\mathrm{691}}^1\times {\mathrm{2411}}^1$

素因数の和:3109

約数の個数: 24

約数和(自身を含む): 46734912

約数和(自身を除く): 26742900

約数列:

[1, 2, 3, 4, 6, 12, 691, 1382, 2073, 2411, 2764, 4146, 4822, 7233, 8292, 9644, 14466, 28932, 1666001, 3332002, 4998003, 6664004, 9996006, 19992012]

約数ペア:

[(1, 19992012), (2, 9996006), (3, 6664004), (4, 4998003), (6, 3332002), (12, 1666001), (691, 28932), (1382, 14466), (2073, 9644), (2411, 8292), (2764, 7233), (4146, 4822)]