18920884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5297}}^1$

素因数の和:5367

約数の個数: 24

約数和(自身を含む): 35602560

約数和(自身を除く): 16681676

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 5297, 10594, 21188, 100643, 201286, 248959, 402572, 497918, 995836, 4730221, 9460442, 18920884]

約数ペア:

[(1, 18920884), (2, 9460442), (4, 4730221), (19, 995836), (38, 497918), (47, 402572), (76, 248959), (94, 201286), (188, 100643), (893, 21188), (1786, 10594), (3572, 5297)]