19310960

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1213}}^1$

素因数の和:1425

約数の個数: 40

約数和(自身を含む): 45160800

約数和(自身を除く): 25849840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1213, 1592, 1990, 2426, 3184, 3980, 4852, 6065, 7960, 9704, 12130, 15920, 19408, 24260, 48520, 97040, 241387, 482774, 965548, 1206935, 1931096, 2413870, 3862192, 4827740, 9655480, 19310960]

約数ペア:

[(1, 19310960), (2, 9655480), (4, 4827740), (5, 3862192), (8, 2413870), (10, 1931096), (16, 1206935), (20, 965548), (40, 482774), (80, 241387), (199, 97040), (398, 48520), (796, 24260), (995, 19408), (1213, 15920), (1592, 12130), (1990, 9704), (2426, 7960), (3184, 6065), (3980, 4852)]