19805799

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29873}}^1$

素因数の和:29906

約数の個数: 16

約数和(自身を含む): 30112992

約数和(自身を除く): 10307193

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 29873, 89619, 388349, 507841, 1165047, 1523523, 6601933, 19805799]

約数ペア:

[(1, 19805799), (3, 6601933), (13, 1523523), (17, 1165047), (39, 507841), (51, 388349), (221, 89619), (663, 29873)]