2018752016

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{308489}}^1$

素因数の和:308906

約数の個数: 20

約数和(自身を含む): 3920907900

約数和(自身を除く): 1902155884

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 308489, 616978, 1233956, 2467912, 4935824, 126172001, 252344002, 504688004, 1009376008, 2018752016]

約数ペア:

[(1, 2018752016), (2, 1009376008), (4, 504688004), (8, 252344002), (16, 126172001), (409, 4935824), (818, 2467912), (1636, 1233956), (3272, 616978), (6544, 308489)]