19991350

素因数分解:

$2^1\times 5^2\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1320

約数の個数: 24

約数和(自身を含む): 37305648

約数和(自身を除く): 17314298

約数列:

[1, 2, 5, 10, 25, 50, 487, 821, 974, 1642, 2435, 4105, 4870, 8210, 12175, 20525, 24350, 41050, 399827, 799654, 1999135, 3998270, 9995675, 19991350]

約数ペア:

[(1, 19991350), (2, 9995675), (5, 3998270), (10, 1999135), (25, 799654), (50, 399827), (487, 41050), (821, 24350), (974, 20525), (1642, 12175), (2435, 8210), (4105, 4870)]