19179212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1361}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 36305472

約数和(自身を除く): 17126260

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 1361, 2722, 3523, 5444, 7046, 14092, 17693, 35386, 70772, 368831, 737662, 1475324, 4794803, 9589606, 19179212]

約数ペア:

[(1, 19179212), (2, 9589606), (4, 4794803), (13, 1475324), (26, 737662), (52, 368831), (271, 70772), (542, 35386), (1084, 17693), (1361, 14092), (2722, 7046), (3523, 5444)]