18719206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20753}}^1$

素因数の和:20807

約数の個数: 16

約数和(自身を含む): 31380048

約数和(自身を除く): 12660842

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20753, 41506, 228283, 456566, 850873, 1701746, 9359603, 18719206]

約数ペア:

[(1, 18719206), (2, 9359603), (11, 1701746), (22, 850873), (41, 456566), (82, 228283), (451, 41506), (902, 20753)]