19108180420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136487003}}^1$

素因数の和:136487019

約数の個数: 24

約数和(自身を含む): 45859633344

約数和(自身を除く): 26751452924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136487003, 272974006, 545948012, 682435015, 955409021, 1364870030, 1910818042, 2729740060, 3821636084, 4777045105, 9554090210, 19108180420]

約数ペア:

[(1, 19108180420), (2, 9554090210), (4, 4777045105), (5, 3821636084), (7, 2729740060), (10, 1910818042), (14, 1364870030), (20, 955409021), (28, 682435015), (35, 545948012), (70, 272974006), (140, 136487003)]