19675554

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{20887}}^1$

素因数の和:21049

約数の個数: 16

約数和(自身を含む): 39603648

約数和(自身を除く): 19928094

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 20887, 41774, 62661, 125322, 3279259, 6558518, 9837777, 19675554]

約数ペア:

[(1, 19675554), (2, 9837777), (3, 6558518), (6, 3279259), (157, 125322), (314, 62661), (471, 41774), (942, 20887)]