18156617689

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1\times {\mathrm{3491}}^1$

素因数の和:4045

約数の個数: 32

約数和(自身を含む): 21859808256

約数和(自身を除く): 3703190567

約数列:

[1, 7, 37, 43, 259, 301, 467, 1591, 3269, 3491, 11137, 17279, 20081, 24437, 120953, 129167, 140567, 150113, 742997, 904169, 1050791, 1630297, 5200979, 5554181, 11412079, 38879267, 60320989, 70102771, 422246923, 490719397, 2593802527, 18156617689]

約数ペア:

[(1, 18156617689), (7, 2593802527), (37, 490719397), (43, 422246923), (259, 70102771), (301, 60320989), (467, 38879267), (1591, 11412079), (3269, 5554181), (3491, 5200979), (11137, 1630297), (17279, 1050791), (20081, 904169), (24437, 742997), (120953, 150113), (129167, 140567)]