19719131324

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{687461}}^1$

素因数の和:687637

約数の個数: 24

約数和(自身を含む): 35341046496

約数和(自身を除く): 15621915172

約数列:

[1, 2, 4, 71, 101, 142, 202, 284, 404, 7171, 14342, 28684, 687461, 1374922, 2749844, 48809731, 69433561, 97619462, 138867122, 195238924, 277734244, 4929782831, 9859565662, 19719131324]

約数ペア:

[(1, 19719131324), (2, 9859565662), (4, 4929782831), (71, 277734244), (101, 195238924), (142, 138867122), (202, 97619462), (284, 69433561), (404, 48809731), (7171, 2749844), (14342, 1374922), (28684, 687461)]