19908170

素因数分解:

$2^1\times 5^1\times {\mathrm{953}}^1\times {\mathrm{2089}}^1$

素因数の和:3049

約数の個数: 16

約数和(自身を含む): 35889480

約数和(自身を除く): 15981310

約数列:

[1, 2, 5, 10, 953, 1906, 2089, 4178, 4765, 9530, 10445, 20890, 1990817, 3981634, 9954085, 19908170]

約数ペア:

[(1, 19908170), (2, 9954085), (5, 3981634), (10, 1990817), (953, 20890), (1906, 10445), (2089, 9530), (4178, 4765)]