19152243

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 31191160

約数和(自身を除く): 12038917

約数列:

[1, 3, 9, 11, 33, 43, 99, 121, 129, 363, 387, 409, 473, 1089, 1227, 1419, 3681, 4257, 4499, 5203, 13497, 15609, 17587, 40491, 46827, 49489, 52761, 148467, 158283, 193457, 445401, 580371, 1741113, 2128027, 6384081, 19152243]

約数ペア:

[(1, 19152243), (3, 6384081), (9, 2128027), (11, 1741113), (33, 580371), (43, 445401), (99, 193457), (121, 158283), (129, 148467), (363, 52761), (387, 49489), (409, 46827), (473, 40491), (1089, 17587), (1227, 15609), (1419, 13497), (3681, 5203), (4257, 4499)]