18973310

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2311}}^1$

素因数の和:3139

約数の個数: 16

約数和(自身を含む): 34208352

約数和(自身を除く): 15235042

約数列:

[1, 2, 5, 10, 821, 1642, 2311, 4105, 4622, 8210, 11555, 23110, 1897331, 3794662, 9486655, 18973310]

約数ペア:

[(1, 18973310), (2, 9486655), (5, 3794662), (10, 1897331), (821, 23110), (1642, 11555), (2311, 8210), (4105, 4622)]