19995866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47837}}^1$

素因数の和:47869

約数の個数: 16

約数和(自身を含む): 34443360

約数和(自身を除く): 14447494

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47837, 95674, 526207, 908903, 1052414, 1817806, 9997933, 19995866]

約数ペア:

[(1, 19995866), (2, 9997933), (11, 1817806), (19, 1052414), (22, 908903), (38, 526207), (209, 95674), (418, 47837)]