18806660

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2521}}^1$

素因数の和:2903

約数の個数: 24

約数和(自身を含む): 39615576

約数和(自身を除く): 20808916

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2521, 3730, 5042, 7460, 10084, 12605, 25210, 50420, 940333, 1880666, 3761332, 4701665, 9403330, 18806660]

約数ペア:

[(1, 18806660), (2, 9403330), (4, 4701665), (5, 3761332), (10, 1880666), (20, 940333), (373, 50420), (746, 25210), (1492, 12605), (1865, 10084), (2521, 7460), (3730, 5042)]