19882794

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21107}}^1$

素因数の和:21269

約数の個数: 16

約数和(自身を含む): 40020768

約数和(自身を除く): 20137974

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21107, 42214, 63321, 126642, 3313799, 6627598, 9941397, 19882794]

約数ペア:

[(1, 19882794), (2, 9941397), (3, 6627598), (6, 3313799), (157, 126642), (314, 63321), (471, 42214), (942, 21107)]