19688880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82037}}^1$

素因数の和:82053

約数の個数: 40

約数和(自身を含む): 61036272

約数和(自身を除く): 41347392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82037, 164074, 246111, 328148, 410185, 492222, 656296, 820370, 984444, 1230555, 1312592, 1640740, 1968888, 2461110, 3281480, 3937776, 4922220, 6562960, 9844440, 19688880]

約数ペア:

[(1, 19688880), (2, 9844440), (3, 6562960), (4, 4922220), (5, 3937776), (6, 3281480), (8, 2461110), (10, 1968888), (12, 1640740), (15, 1312592), (16, 1230555), (20, 984444), (24, 820370), (30, 656296), (40, 492222), (48, 410185), (60, 328148), (80, 246111), (120, 164074), (240, 82037)]