19493103

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7309}}^1$

素因数の和:7446

約数の個数: 16

約数和(自身を含む): 29941760

約数和(自身を除く): 10448657

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7309, 21927, 51163, 153489, 928243, 2784729, 6497701, 19493103]

約数ペア:

[(1, 19493103), (3, 6497701), (7, 2784729), (21, 928243), (127, 153489), (381, 51163), (889, 21927), (2667, 7309)]