19739181

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85451}}^1$

素因数の和:85472

約数の個数: 16

約数和(自身を含む): 32813568

約数和(自身を除く): 13074387

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 85451, 256353, 598157, 939961, 1794471, 2819883, 6579727, 19739181]

約数ペア:

[(1, 19739181), (3, 6579727), (7, 2819883), (11, 1794471), (21, 939961), (33, 598157), (77, 256353), (231, 85451)]