19958908039

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{171629}}^1$

素因数の和:172122

約数の個数: 16

約数和(自身を含む): 23478984000

約数和(自身を除く): 3520075961

約数列:

[1, 7, 37, 259, 449, 3143, 16613, 116291, 171629, 1201403, 6350273, 44451911, 77061421, 539429947, 2851272577, 19958908039]

約数ペア:

[(1, 19958908039), (7, 2851272577), (37, 539429947), (259, 77061421), (449, 44451911), (3143, 6350273), (16613, 1201403), (116291, 171629)]