17890742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7027}}^1$

素因数の和:7115

約数の個数: 16

約数和(自身を含む): 28674240

約数和(自身を除く): 10783498

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7027, 14054, 133513, 267026, 470809, 941618, 8945371, 17890742]

約数ペア:

[(1, 17890742), (2, 8945371), (19, 941618), (38, 470809), (67, 267026), (134, 133513), (1273, 14054), (2546, 7027)]