19007781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3271}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 27484800

約数和(自身を除く): 8477019

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3271, 5811, 9813, 42523, 127569, 487379, 1462137, 6335927, 19007781]

約数ペア:

[(1, 19007781), (3, 6335927), (13, 1462137), (39, 487379), (149, 127569), (447, 42523), (1937, 9813), (3271, 5811)]