18049881

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 24792768

約数和(自身を除く): 6742887

約数列:

[1, 3, 41, 123, 257, 571, 771, 1713, 10537, 23411, 31611, 70233, 146747, 440241, 6016627, 18049881]

約数ペア:

[(1, 18049881), (3, 6016627), (41, 440241), (123, 146747), (257, 70233), (571, 31611), (771, 23411), (1713, 10537)]