2005109919

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1627}}^1\times {\mathrm{7207}}^1$

素因数の和:8859

約数の個数: 24

約数和(自身を含む): 3051002240

約数和(自身を除く): 1045892321

約数列:

[1, 3, 9, 19, 57, 171, 1627, 4881, 7207, 14643, 21621, 30913, 64863, 92739, 136933, 278217, 410799, 1232397, 11725789, 35177367, 105532101, 222789991, 668369973, 2005109919]

約数ペア:

[(1, 2005109919), (3, 668369973), (9, 222789991), (19, 105532101), (57, 35177367), (171, 11725789), (1627, 1232397), (4881, 410799), (7207, 278217), (14643, 136933), (21621, 92739), (30913, 64863)]