2009409980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5287921}}^1$

素因数の和:5287949

約数の個数: 24

約数和(自身を含む): 4441854480

約数和(自身を除く): 2432444500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5287921, 10575842, 21151684, 26439605, 52879210, 100470499, 105758420, 200940998, 401881996, 502352495, 1004704990, 2009409980]

約数ペア:

[(1, 2009409980), (2, 1004704990), (4, 502352495), (5, 401881996), (10, 200940998), (19, 105758420), (20, 100470499), (38, 52879210), (76, 26439605), (95, 21151684), (190, 10575842), (380, 5287921)]