1618844

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{9871}}^1$

素因数の和:9916

約数の個数: 12

約数和(自身を含む): 2902368

約数和(自身を除く): 1283524

約数列:

[1, 2, 4, 41, 82, 164, 9871, 19742, 39484, 404711, 809422, 1618844]

約数ペア:

[(1, 1618844), (2, 809422), (4, 404711), (41, 39484), (82, 19742), (164, 9871)]