19780719

素因数分解:

$3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{2017}}^1$

素因数の和:2494

約数の個数: 16

約数和(自身を含む): 30221568

約数和(自身を除く): 10440849

約数列:

[1, 3, 7, 21, 467, 1401, 2017, 3269, 6051, 9807, 14119, 42357, 941939, 2825817, 6593573, 19780719]

約数ペア:

[(1, 19780719), (3, 6593573), (7, 2825817), (21, 941939), (467, 42357), (1401, 14119), (2017, 9807), (3269, 6051)]