19793319

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72503}}^1$

素因数の和:72526

約数の個数: 16

約数和(自身を含む): 32481792

約数和(自身を除く): 12688473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 72503, 217509, 507521, 942539, 1522563, 2827617, 6597773, 19793319]

約数ペア:

[(1, 19793319), (3, 6597773), (7, 2827617), (13, 1522563), (21, 942539), (39, 507521), (91, 217509), (273, 72503)]