40669618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20771}}^1$

素因数の和:20873

約数の個数: 16

約数和(自身を含む): 67301280

約数和(自身を除く): 26631662

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 20771, 41542, 228481, 456962, 1848619, 3697238, 20334809, 40669618]

約数ペア:

[(1, 40669618), (2, 20334809), (11, 3697238), (22, 1848619), (89, 456962), (178, 228481), (979, 41542), (1958, 20771)]