18916491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3167}}^1$

素因数の和:3362

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 8759157

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3167, 5973, 9501, 34837, 104511, 573227, 1719681, 6305497, 18916491]

約数ペア:

[(1, 18916491), (3, 6305497), (11, 1719681), (33, 573227), (181, 104511), (543, 34837), (1991, 9501), (3167, 5973)]