19682180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140587}}^1$

素因数の和:140603

約数の個数: 24

約数和(自身を含む): 47237568

約数和(自身を除く): 27555388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140587, 281174, 562348, 702935, 984109, 1405870, 1968218, 2811740, 3936436, 4920545, 9841090, 19682180]

約数ペア:

[(1, 19682180), (2, 9841090), (4, 4920545), (5, 3936436), (7, 2811740), (10, 1968218), (14, 1405870), (20, 984109), (28, 702935), (35, 562348), (70, 281174), (140, 140587)]