19765707

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1109}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 28469280

約数和(自身を除く): 8703573

約数列:

[1, 3, 13, 39, 457, 1109, 1371, 3327, 5941, 14417, 17823, 43251, 506813, 1520439, 6588569, 19765707]

約数ペア:

[(1, 19765707), (3, 6588569), (13, 1520439), (39, 506813), (457, 43251), (1109, 17823), (1371, 14417), (3327, 5941)]