19338992

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28109}}^1$

素因数の和:28160

約数の個数: 20

約数和(自身を含む): 38342040

約数和(自身を除く): 19003048

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28109, 56218, 112436, 224872, 449744, 1208687, 2417374, 4834748, 9669496, 19338992]

約数ペア:

[(1, 19338992), (2, 9669496), (4, 4834748), (8, 2417374), (16, 1208687), (43, 449744), (86, 224872), (172, 112436), (344, 56218), (688, 28109)]