19143691

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 3354869

約数列:

[1, 7, 61, 107, 419, 427, 749, 2933, 6527, 25559, 44833, 45689, 178913, 313831, 2734813, 19143691]

約数ペア:

[(1, 19143691), (7, 2734813), (61, 313831), (107, 178913), (419, 45689), (427, 44833), (749, 25559), (2933, 6527)]