19174256

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4663}}^1$

素因数の和:4928

約数の個数: 20

約数和(自身を含む): 37302672

約数和(自身を除く): 18128416

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4663, 9326, 18652, 37304, 74608, 1198391, 2396782, 4793564, 9587128, 19174256]

約数ペア:

[(1, 19174256), (2, 9587128), (4, 4793564), (8, 2396782), (16, 1198391), (257, 74608), (514, 37304), (1028, 18652), (2056, 9326), (4112, 4663)]