19729047

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8293}}^1$

素因数の和:8370

約数の個数: 16

約数和(自身を含む): 28796768

約数和(自身を除く): 9067721

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8293, 24879, 107809, 323427, 505873, 1517619, 6576349, 19729047]

約数ペア:

[(1, 19729047), (3, 6576349), (13, 1517619), (39, 505873), (61, 323427), (183, 107809), (793, 24879), (2379, 8293)]