1991569493

素因数分解:

${\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 2168664192

約数和(自身を除く): 177094699

約数列:

[1, 19, 47, 107, 361, 893, 1097, 2033, 5029, 16967, 20843, 38627, 51559, 95551, 117379, 396017, 979621, 1815469, 2230201, 5516813, 18612799, 42373819, 104819447, 1991569493]

約数ペア:

[(1, 1991569493), (19, 104819447), (47, 42373819), (107, 18612799), (361, 5516813), (893, 2230201), (1097, 1815469), (2033, 979621), (5029, 396017), (16967, 117379), (20843, 95551), (38627, 51559)]