19988536

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53161}}^1$

素因数の和:53214

約数の個数: 16

約数和(自身を含む): 38276640

約数和(自身を除く): 18288104

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 53161, 106322, 212644, 425288, 2498567, 4997134, 9994268, 19988536]

約数ペア:

[(1, 19988536), (2, 9994268), (4, 4997134), (8, 2498567), (47, 425288), (94, 212644), (188, 106322), (376, 53161)]