19371880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44027}}^1$

素因数の和:44049

約数の個数: 32

約数和(自身を含む): 47550240

約数和(自身を除く): 28178360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44027, 88054, 176108, 220135, 352216, 440270, 484297, 880540, 968594, 1761080, 1937188, 2421485, 3874376, 4842970, 9685940, 19371880]

約数ペア:

[(1, 19371880), (2, 9685940), (4, 4842970), (5, 3874376), (8, 2421485), (10, 1937188), (11, 1761080), (20, 968594), (22, 880540), (40, 484297), (44, 440270), (55, 352216), (88, 220135), (110, 176108), (220, 88054), (440, 44027)]