19143340

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2411}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 40318992

約数和(自身を除く): 21175652

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 2411, 3970, 4822, 7940, 9644, 12055, 24110, 48220, 957167, 1914334, 3828668, 4785835, 9571670, 19143340]

約数ペア:

[(1, 19143340), (2, 9571670), (4, 4785835), (5, 3828668), (10, 1914334), (20, 957167), (397, 48220), (794, 24110), (1588, 12055), (1985, 9644), (2411, 7940), (3970, 4822)]