19924556

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{31727}}^1$

素因数の和:31888

約数の個数: 12

約数和(自身を含む): 35091168

約数和(自身を除く): 15166612

約数列:

[1, 2, 4, 157, 314, 628, 31727, 63454, 126908, 4981139, 9962278, 19924556]

約数ペア:

[(1, 19924556), (2, 9962278), (4, 4981139), (157, 126908), (314, 63454), (628, 31727)]