19423521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{166013}}^1$

素因数の和:166032

約数の個数: 12

約数和(自身を含む): 30214548

約数和(自身を除く): 10791027

約数列:

[1, 3, 9, 13, 39, 117, 166013, 498039, 1494117, 2158169, 6474507, 19423521]

約数ペア:

[(1, 19423521), (3, 6474507), (9, 2158169), (13, 1494117), (39, 498039), (117, 166013)]