19626580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7727}}^1$

素因数の和:7863

約数の個数: 24

約数和(自身を含む): 41545728

約数和(自身を除く): 21919148

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7727, 15454, 30908, 38635, 77270, 154540, 981329, 1962658, 3925316, 4906645, 9813290, 19626580]

約数ペア:

[(1, 19626580), (2, 9813290), (4, 4906645), (5, 3925316), (10, 1962658), (20, 981329), (127, 154540), (254, 77270), (508, 38635), (635, 30908), (1270, 15454), (2540, 7727)]