19149907

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 3493805

約数列:

[1, 7, 53, 71, 371, 497, 727, 3763, 5089, 26341, 38531, 51617, 269717, 361319, 2735701, 19149907]

約数ペア:

[(1, 19149907), (7, 2735701), (53, 361319), (71, 269717), (371, 51617), (497, 38531), (727, 26341), (3763, 5089)]