18481220

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2663}}^1$

素因数の和:3019

約数の個数: 24

約数和(自身を含む): 38937024

約数和(自身を除く): 20455804

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2663, 3470, 5326, 6940, 10652, 13315, 26630, 53260, 924061, 1848122, 3696244, 4620305, 9240610, 18481220]

約数ペア:

[(1, 18481220), (2, 9240610), (4, 4620305), (5, 3696244), (10, 1848122), (20, 924061), (347, 53260), (694, 26630), (1388, 13315), (1735, 10652), (2663, 6940), (3470, 5326)]