1991732

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 3729600

約数和(自身を除く): 1737868

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 359, 718, 1387, 1436, 2774, 5548, 6821, 13642, 26207, 27284, 52414, 104828, 497933, 995866, 1991732]

約数ペア:

[(1, 1991732), (2, 995866), (4, 497933), (19, 104828), (38, 52414), (73, 27284), (76, 26207), (146, 13642), (292, 6821), (359, 5548), (718, 2774), (1387, 1436)]