19509296

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1223}}^1$

素因数の和:2228

約数の個数: 20

約数和(自身を含む): 37868112

約数和(自身を除く): 18358816

約数列:

[1, 2, 4, 8, 16, 997, 1223, 1994, 2446, 3988, 4892, 7976, 9784, 15952, 19568, 1219331, 2438662, 4877324, 9754648, 19509296]

約数ペア:

[(1, 19509296), (2, 9754648), (4, 4877324), (8, 2438662), (16, 1219331), (997, 19568), (1223, 15952), (1994, 9784), (2446, 7976), (3988, 4892)]