2019911560

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{368597}}^1$

素因数の和:368745

約数の個数: 32

約数和(自身を含む): 4577987160

約数和(自身を除く): 2558075600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 368597, 737194, 1474388, 1842985, 2948776, 3685970, 7371940, 14743880, 50497789, 100995578, 201991156, 252488945, 403982312, 504977890, 1009955780, 2019911560]

約数ペア:

[(1, 2019911560), (2, 1009955780), (4, 504977890), (5, 403982312), (8, 252488945), (10, 201991156), (20, 100995578), (40, 50497789), (137, 14743880), (274, 7371940), (548, 3685970), (685, 2948776), (1096, 1842985), (1370, 1474388), (2740, 737194), (5480, 368597)]