19911670

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8929}}^1$

素因数の和:9159

約数の個数: 16

約数和(自身を含む): 36005760

約数和(自身を除く): 16094090

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 8929, 17858, 44645, 89290, 1991167, 3982334, 9955835, 19911670]

約数ペア:

[(1, 19911670), (2, 9955835), (5, 3982334), (10, 1991167), (223, 89290), (446, 44645), (1115, 17858), (2230, 8929)]