18866079695

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{2381}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 23371879104

約数和(自身を除く): 4505799409

約数列:

[1, 5, 61, 83, 305, 313, 415, 1565, 2381, 5063, 11905, 19093, 25315, 25979, 95465, 129895, 145241, 197623, 726205, 745253, 988115, 1584719, 3726265, 7923595, 12055003, 45460433, 60275015, 61855999, 227302165, 309279995, 3773215939, 18866079695]

約数ペア:

[(1, 18866079695), (5, 3773215939), (61, 309279995), (83, 227302165), (305, 61855999), (313, 60275015), (415, 45460433), (1565, 12055003), (2381, 7923595), (5063, 3726265), (11905, 1584719), (19093, 988115), (25315, 745253), (25979, 726205), (95465, 197623), (129895, 145241)]