19380494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72859}}^1$

素因数の和:72887

約数の個数: 16

約数和(自身を含む): 34972800

約数和(自身を除く): 15592306

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72859, 145718, 510013, 1020026, 1384321, 2768642, 9690247, 19380494]

約数ペア:

[(1, 19380494), (2, 9690247), (7, 2768642), (14, 1384321), (19, 1020026), (38, 510013), (133, 145718), (266, 72859)]