19493994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{249923}}^1$

素因数の和:249941

約数の個数: 16

約数和(自身を含む): 41987232

約数和(自身を除く): 22493238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 249923, 499846, 749769, 1499538, 3248999, 6497998, 9746997, 19493994]

約数ペア:

[(1, 19493994), (2, 9746997), (3, 6497998), (6, 3248999), (13, 1499538), (26, 749769), (39, 499846), (78, 249923)]