19156739905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{449}}^1\times {\mathrm{1051}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 24132038400

約数和(自身を除く): 4975298495

約数列:

[1, 5, 23, 115, 353, 449, 1051, 1765, 2245, 5255, 8119, 10327, 24173, 40595, 51635, 120865, 158497, 371003, 471899, 792485, 1855015, 2359495, 3645431, 8533069, 10853677, 18227155, 42665345, 54268385, 166580347, 832901735, 3831347981, 19156739905]

約数ペア:

[(1, 19156739905), (5, 3831347981), (23, 832901735), (115, 166580347), (353, 54268385), (449, 42665345), (1051, 18227155), (1765, 10853677), (2245, 8533069), (5255, 3645431), (8119, 2359495), (10327, 1855015), (24173, 792485), (40595, 471899), (51635, 371003), (120865, 158497)]