19681866

素因数分解:

$2^1\times 3^4\times {\mathrm{121493}}^1$

素因数の和:121507

約数の個数: 20

約数和(自身を含む): 44102322

約数和(自身を除く): 24420456

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 121493, 242986, 364479, 728958, 1093437, 2186874, 3280311, 6560622, 9840933, 19681866]

約数ペア:

[(1, 19681866), (2, 9840933), (3, 6560622), (6, 3280311), (9, 2186874), (18, 1093437), (27, 728958), (54, 364479), (81, 242986), (162, 121493)]