19516966

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20807}}^1$

素因数の和:20883

約数の個数: 16

約数和(自身を含む): 33958656

約数和(自身を除く): 14441690

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 20807, 41614, 145649, 291298, 1394069, 2788138, 9758483, 19516966]

約数ペア:

[(1, 19516966), (2, 9758483), (7, 2788138), (14, 1394069), (67, 291298), (134, 145649), (469, 41614), (938, 20807)]