18786580

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2707}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 39580128

約数和(自身を除く): 20793548

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2707, 3470, 5414, 6940, 10828, 13535, 27070, 54140, 939329, 1878658, 3757316, 4696645, 9393290, 18786580]

約数ペア:

[(1, 18786580), (2, 9393290), (4, 4696645), (5, 3757316), (10, 1878658), (20, 939329), (347, 54140), (694, 27070), (1388, 13535), (1735, 10828), (2707, 6940), (3470, 5414)]