18911023

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 20823040

約数和(自身を除く): 1912017

約数列:

[1, 19, 31, 97, 331, 589, 1843, 3007, 6289, 10261, 32107, 57133, 194959, 610033, 995317, 18911023]

約数ペア:

[(1, 18911023), (19, 995317), (31, 610033), (97, 194959), (331, 57133), (589, 32107), (1843, 10261), (3007, 6289)]