19980576002

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{243665561}}^1$

素因数の和:243665604

約数の個数: 8

約数和(自身を含む): 30701860812

約数和(自身を除く): 10721284810

約数列:

[1, 2, 41, 82, 243665561, 487331122, 9990288001, 19980576002]

約数ペア:

[(1, 19980576002), (2, 9990288001), (41, 487331122), (82, 243665561)]