19140877

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 22632192

約数和(自身を除く): 3491315

約数列:

[1, 7, 37, 259, 263, 281, 1841, 1967, 9731, 10397, 68117, 72779, 73903, 517321, 2734411, 19140877]

約数ペア:

[(1, 19140877), (7, 2734411), (37, 517321), (259, 73903), (263, 72779), (281, 68117), (1841, 10397), (1967, 9731)]