19203280

素因数分解:

$2^4\times 5^1\times {\mathrm{240041}}^1$

素因数の和:240054

約数の個数: 20

約数和(自身を含む): 44647812

約数和(自身を除く): 25444532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240041, 480082, 960164, 1200205, 1920328, 2400410, 3840656, 4800820, 9601640, 19203280]

約数ペア:

[(1, 19203280), (2, 9601640), (4, 4800820), (5, 3840656), (8, 2400410), (10, 1920328), (16, 1200205), (20, 960164), (40, 480082), (80, 240041)]