2018990180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2347663}}^1$

素因数の和:2347715

約数の個数: 24

約数和(自身を含む): 4338483072

約数和(自身を除く): 2319492892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2347663, 4695326, 9390652, 11738315, 23476630, 46953260, 100949509, 201899018, 403798036, 504747545, 1009495090, 2018990180]

約数ペア:

[(1, 2018990180), (2, 1009495090), (4, 504747545), (5, 403798036), (10, 201899018), (20, 100949509), (43, 46953260), (86, 23476630), (172, 11738315), (215, 9390652), (430, 4695326), (860, 2347663)]