19287983

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 24729600

約数和(自身を除く): 5441617

約数列:

[1, 11, 13, 19, 31, 143, 209, 229, 247, 341, 403, 589, 2519, 2717, 2977, 4351, 4433, 6479, 7099, 7657, 32747, 47861, 56563, 78089, 84227, 92287, 134881, 622193, 1015157, 1483691, 1753453, 19287983]

約数ペア:

[(1, 19287983), (11, 1753453), (13, 1483691), (19, 1015157), (31, 622193), (143, 134881), (209, 92287), (229, 84227), (247, 78089), (341, 56563), (403, 47861), (589, 32747), (2519, 7657), (2717, 7099), (2977, 6479), (4351, 4433)]