19709602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21851}}^1$

素因数の和:21905

約数の個数: 16

約数和(自身を含む): 33040224

約数和(自身を除く): 13330622

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21851, 43702, 240361, 480722, 895891, 1791782, 9854801, 19709602]

約数ペア:

[(1, 19709602), (2, 9854801), (11, 1791782), (22, 895891), (41, 480722), (82, 240361), (451, 43702), (902, 21851)]