20161609866

素因数分解:

$2^1\times 3^2\times {\mathrm{1120089437}}^1$

素因数の和:1120089445

約数の個数: 12

約数和(自身を含む): 43683488082

約数和(自身を除く): 23521878216

約数列:

[1, 2, 3, 6, 9, 18, 1120089437, 2240178874, 3360268311, 6720536622, 10080804933, 20161609866]

約数ペア:

[(1, 20161609866), (2, 10080804933), (3, 6720536622), (6, 3360268311), (9, 2240178874), (18, 1120089437)]