17967681520

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1639387}}^1$

素因数の和:1639537

約数の個数: 40

約数和(自身を含む): 42079811184

約数和(自身を除く): 24112129664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 1639387, 3278774, 6557548, 8196935, 13115096, 16393870, 26230192, 32787740, 65575480, 131150960, 224596019, 449192038, 898384076, 1122980095, 1796768152, 2245960190, 3593536304, 4491920380, 8983840760, 17967681520]

約数ペア:

[(1, 17967681520), (2, 8983840760), (4, 4491920380), (5, 3593536304), (8, 2245960190), (10, 1796768152), (16, 1122980095), (20, 898384076), (40, 449192038), (80, 224596019), (137, 131150960), (274, 65575480), (548, 32787740), (685, 26230192), (1096, 16393870), (1370, 13115096), (2192, 8196935), (2740, 6557548), (5480, 3278774), (10960, 1639387)]