19196660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137119}}^1$

素因数の和:137135

約数の個数: 24

約数和(自身を含む): 46072320

約数和(自身を除く): 26875660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137119, 274238, 548476, 685595, 959833, 1371190, 1919666, 2742380, 3839332, 4799165, 9598330, 19196660]

約数ペア:

[(1, 19196660), (2, 9598330), (4, 4799165), (5, 3839332), (7, 2742380), (10, 1919666), (14, 1371190), (20, 959833), (28, 685595), (35, 548476), (70, 274238), (140, 137119)]