19470981

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 7200699

約数列:

[1, 3, 53, 139, 159, 417, 881, 2643, 7367, 22101, 46693, 122459, 140079, 367377, 6490327, 19470981]

約数ペア:

[(1, 19470981), (3, 6490327), (53, 367377), (139, 140079), (159, 122459), (417, 46693), (881, 22101), (2643, 7367)]