2019418360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{368507}}^1$

素因数の和:368655

約数の個数: 32

約数和(自身を含む): 4576869360

約数和(自身を除く): 2557451000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 368507, 737014, 1474028, 1842535, 2948056, 3685070, 7370140, 14740280, 50485459, 100970918, 201941836, 252427295, 403883672, 504854590, 1009709180, 2019418360]

約数ペア:

[(1, 2019418360), (2, 1009709180), (4, 504854590), (5, 403883672), (8, 252427295), (10, 201941836), (20, 100970918), (40, 50485459), (137, 14740280), (274, 7370140), (548, 3685070), (685, 2948056), (1096, 1842535), (1370, 1474028), (2740, 737014), (5480, 368507)]