19991576858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8336771}}^1$

素因数の和:8336893

約数の個数: 16

約数和(自身を含む): 33013617120

約数和(自身を除く): 13022040262

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8336771, 16673542, 91704481, 183408962, 908708039, 1817416078, 9995788429, 19991576858]

約数ペア:

[(1, 19991576858), (2, 9995788429), (11, 1817416078), (22, 908708039), (109, 183408962), (218, 91704481), (1199, 16673542), (2398, 8336771)]