28421530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{7873}}^1$

素因数の和:7918

約数の個数: 24

約数和(自身を含む): 53999892

約数和(自身を除く): 25578362

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 7873, 15746, 39365, 78730, 149587, 299174, 747935, 1495870, 2842153, 5684306, 14210765, 28421530]

約数ペア:

[(1, 28421530), (2, 14210765), (5, 5684306), (10, 2842153), (19, 1495870), (38, 747935), (95, 299174), (190, 149587), (361, 78730), (722, 39365), (1805, 15746), (3610, 7873)]