19224784

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27943}}^1$

素因数の和:27994

約数の個数: 20

約数和(自身を含む): 38115616

約数和(自身を除く): 18890832

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27943, 55886, 111772, 223544, 447088, 1201549, 2403098, 4806196, 9612392, 19224784]

約数ペア:

[(1, 19224784), (2, 9612392), (4, 4806196), (8, 2403098), (16, 1201549), (43, 447088), (86, 223544), (172, 111772), (344, 55886), (688, 27943)]