19654805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2927}}^1$

素因数の和:3028

約数の個数: 16

約数和(自身を含む): 25297920

約数和(自身を除く): 5643115

約数列:

[1, 5, 17, 79, 85, 395, 1343, 2927, 6715, 14635, 49759, 231233, 248795, 1156165, 3930961, 19654805]

約数ペア:

[(1, 19654805), (5, 3930961), (17, 1156165), (79, 248795), (85, 231233), (395, 49759), (1343, 14635), (2927, 6715)]