18921170032

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{347509}}^1$

素因数の和:347641

約数の個数: 40

約数和(自身を含む): 38006473680

約数和(自身を除く): 19085303648

約数列:

[1, 2, 4, 8, 16, 41, 82, 83, 164, 166, 328, 332, 656, 664, 1328, 3403, 6806, 13612, 27224, 54448, 347509, 695018, 1390036, 2780072, 5560144, 14247869, 28495738, 28843247, 56991476, 57686494, 113982952, 115372988, 227965904, 230745976, 461491952, 1182573127, 2365146254, 4730292508, 9460585016, 18921170032]

約数ペア:

[(1, 18921170032), (2, 9460585016), (4, 4730292508), (8, 2365146254), (16, 1182573127), (41, 461491952), (82, 230745976), (83, 227965904), (164, 115372988), (166, 113982952), (328, 57686494), (332, 56991476), (656, 28843247), (664, 28495738), (1328, 14247869), (3403, 5560144), (6806, 2780072), (13612, 1390036), (27224, 695018), (54448, 347509)]