18995259

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 26076960

約数和(自身を除く): 7081701

約数列:

[1, 3, 41, 123, 389, 397, 1167, 1191, 15949, 16277, 47847, 48831, 154433, 463299, 6331753, 18995259]

約数ペア:

[(1, 18995259), (3, 6331753), (41, 463299), (123, 154433), (389, 48831), (397, 47847), (1167, 16277), (1191, 15949)]