19233680

素因数分解:

$2^4\times 5^1\times {\mathrm{240421}}^1$

素因数の和:240434

約数の個数: 20

約数和(自身を含む): 44718492

約数和(自身を除く): 25484812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240421, 480842, 961684, 1202105, 1923368, 2404210, 3846736, 4808420, 9616840, 19233680]

約数ペア:

[(1, 19233680), (2, 9616840), (4, 4808420), (5, 3846736), (8, 2404210), (10, 1923368), (16, 1202105), (20, 961684), (40, 480842), (80, 240421)]