19792731

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15451}}^1$

素因数の和:15522

約数の個数: 16

約数和(自身を含む): 30656768

約数和(自身を除く): 10864037

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15451, 46353, 108157, 324471, 942511, 2827533, 6597577, 19792731]

約数ペア:

[(1, 19792731), (3, 6597577), (7, 2827533), (21, 942511), (61, 324471), (183, 108157), (427, 46353), (1281, 15451)]