1920208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2791}}^1$

素因数の和:2842

約数の個数: 20

約数和(自身を含む): 3808288

約数和(自身を除く): 1888080

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2791, 5582, 11164, 22328, 44656, 120013, 240026, 480052, 960104, 1920208]

約数ペア:

[(1, 1920208), (2, 960104), (4, 480052), (8, 240026), (16, 120013), (43, 44656), (86, 22328), (172, 11164), (344, 5582), (688, 2791)]