19807659

素因数分解:

$3^8\times {\mathrm{3019}}^1$

素因数の和:3043

約数の個数: 18

約数和(自身を含む): 29719820

約数和(自身を除く): 9912161

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 3019, 6561, 9057, 27171, 81513, 244539, 733617, 2200851, 6602553, 19807659]

約数ペア:

[(1, 19807659), (3, 6602553), (9, 2200851), (27, 733617), (81, 244539), (243, 81513), (729, 27171), (2187, 9057), (3019, 6561)]