19489602811

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1\times {\mathrm{3637}}^1$

素因数の和:4643

約数の個数: 32

約数和(自身を含む): 24023605760

約数和(自身を除く): 4534002949

約数列:

[1, 7, 19, 43, 133, 301, 817, 937, 3637, 5719, 6559, 17803, 25459, 40291, 69103, 124621, 156391, 282037, 483721, 765529, 1094737, 2971429, 3407869, 5358703, 20800003, 23855083, 64749511, 146538367, 453246577, 1025768569, 2784228973, 19489602811]

約数ペア:

[(1, 19489602811), (7, 2784228973), (19, 1025768569), (43, 453246577), (133, 146538367), (301, 64749511), (817, 23855083), (937, 20800003), (3637, 5358703), (5719, 3407869), (6559, 2971429), (17803, 1094737), (25459, 765529), (40291, 483721), (69103, 282037), (124621, 156391)]