19190780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137077}}^1$

素因数の和:137093

約数の個数: 24

約数和(自身を含む): 46058208

約数和(自身を除く): 26867428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137077, 274154, 548308, 685385, 959539, 1370770, 1919078, 2741540, 3838156, 4797695, 9595390, 19190780]

約数ペア:

[(1, 19190780), (2, 9595390), (4, 4797695), (5, 3838156), (7, 2741540), (10, 1919078), (14, 1370770), (20, 959539), (28, 685385), (35, 548308), (70, 274154), (140, 137077)]