19010223

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 28835456

約数和(自身を除く): 9825233

約数列:

[1, 3, 9, 31, 61, 93, 183, 279, 549, 1117, 1891, 3351, 5673, 10053, 17019, 34627, 68137, 103881, 204411, 311643, 613233, 2112247, 6336741, 19010223]

約数ペア:

[(1, 19010223), (3, 6336741), (9, 2112247), (31, 613233), (61, 311643), (93, 204411), (183, 103881), (279, 68137), (549, 34627), (1117, 17019), (1891, 10053), (3351, 5673)]