16905212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{222437}}^1$

素因数の和:222460

約数の個数: 12

約数和(自身を含む): 31141320

約数和(自身を除く): 14236108

約数列:

[1, 2, 4, 19, 38, 76, 222437, 444874, 889748, 4226303, 8452606, 16905212]

約数ペア:

[(1, 16905212), (2, 8452606), (4, 4226303), (19, 889748), (38, 444874), (76, 222437)]