19415888

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{25819}}^1$

素因数の和:25874

約数の個数: 20

約数和(自身を含む): 38420160

約数和(自身を除く): 19004272

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 25819, 51638, 103276, 206552, 413104, 1213493, 2426986, 4853972, 9707944, 19415888]

約数ペア:

[(1, 19415888), (2, 9707944), (4, 4853972), (8, 2426986), (16, 1213493), (47, 413104), (94, 206552), (188, 103276), (376, 51638), (752, 25819)]