18714794

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7727}}^1$

素因数の和:7909

約数の個数: 16

約数和(自身を含む): 32272128

約数和(自身を除く): 13557334

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 7727, 15454, 54089, 108178, 1336771, 2673542, 9357397, 18714794]

約数ペア:

[(1, 18714794), (2, 9357397), (7, 2673542), (14, 1336771), (173, 108178), (346, 54089), (1211, 15454), (2422, 7727)]