18911134

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12107}}^1$

素因数の和:12191

約数の個数: 16

約数和(自身を含む): 31383936

約数和(自身を除く): 12472802

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12107, 24214, 133177, 266354, 859597, 1719194, 9455567, 18911134]

約数ペア:

[(1, 18911134), (2, 9455567), (11, 1719194), (22, 859597), (71, 266354), (142, 133177), (781, 24214), (1562, 12107)]