19992012136

素因数分解:

$2^3\times {\mathrm{6691}}^1\times {\mathrm{373487}}^1$

素因数の和:380184

約数の個数: 16

約数和(自身を含む): 37490725440

約数和(自身を除く): 17498713304

約数列:

[1, 2, 4, 8, 6691, 13382, 26764, 53528, 373487, 746974, 1493948, 2987896, 2499001517, 4998003034, 9996006068, 19992012136]

約数ペア:

[(1, 19992012136), (2, 9996006068), (4, 4998003034), (8, 2499001517), (6691, 2987896), (13382, 1493948), (26764, 746974), (53528, 373487)]