19158981569

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{15629}}^1$

素因数の和:16377

約数の個数: 32

約数和(自身を含む): 24857952000

約数和(自身を除く): 5698970431

約数列:

[1, 7, 13, 19, 91, 133, 247, 709, 1729, 4963, 9217, 13471, 15629, 64519, 94297, 109403, 175123, 203177, 296951, 1225861, 1422239, 2078657, 3860363, 11080961, 27022541, 77566727, 144052493, 210538259, 1008367451, 1473767813, 2736997367, 19158981569]

約数ペア:

[(1, 19158981569), (7, 2736997367), (13, 1473767813), (19, 1008367451), (91, 210538259), (133, 144052493), (247, 77566727), (709, 27022541), (1729, 11080961), (4963, 3860363), (9217, 2078657), (13471, 1422239), (15629, 1225861), (64519, 296951), (94297, 203177), (109403, 175123)]