19275440

素因数分解:

$2^4\times 5^1\times {\mathrm{240943}}^1$

素因数の和:240956

約数の個数: 20

約数和(自身を含む): 44815584

約数和(自身を除く): 25540144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240943, 481886, 963772, 1204715, 1927544, 2409430, 3855088, 4818860, 9637720, 19275440]

約数ペア:

[(1, 19275440), (2, 9637720), (4, 4818860), (5, 3855088), (8, 2409430), (10, 1927544), (16, 1204715), (20, 963772), (40, 481886), (80, 240943)]