2019992805

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{128621}}^1$

素因数の和:128981

約数の個数: 24

約数和(自身を含む): 3511380600

約数和(自身を除く): 1491387795

約数列:

[1, 3, 5, 9, 15, 45, 349, 1047, 1745, 3141, 5235, 15705, 128621, 385863, 643105, 1157589, 1929315, 5787945, 44888729, 134666187, 224443645, 403998561, 673330935, 2019992805]

約数ペア:

[(1, 2019992805), (3, 673330935), (5, 403998561), (9, 224443645), (15, 134666187), (45, 44888729), (349, 5787945), (1047, 1929315), (1745, 1157589), (3141, 643105), (5235, 385863), (15705, 128621)]