19465640

素因数分解:

$2^3\times 5^1\times {\mathrm{486641}}^1$

素因数の和:486652

約数の個数: 16

約数和(自身を含む): 43797780

約数和(自身を除く): 24332140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486641, 973282, 1946564, 2433205, 3893128, 4866410, 9732820, 19465640]

約数ペア:

[(1, 19465640), (2, 9732820), (4, 4866410), (5, 3893128), (8, 2433205), (10, 1946564), (20, 973282), (40, 486641)]