28609972

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19813}}^1$

素因数の和:19855

約数の個数: 18

約数和(自身を含む): 52843938

約数和(自身を除く): 24233966

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19813, 39626, 79252, 376447, 752894, 1505788, 7152493, 14304986, 28609972]

約数ペア:

[(1, 28609972), (2, 14304986), (4, 7152493), (19, 1505788), (38, 752894), (76, 376447), (361, 79252), (722, 39626), (1444, 19813)]