18342467

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 23358720

約数和(自身を除く): 5016253

約数列:

[1, 11, 13, 19, 43, 143, 157, 209, 247, 473, 559, 817, 1727, 2041, 2717, 2983, 6149, 6751, 8987, 10621, 22451, 32813, 38779, 74261, 87763, 116831, 128269, 426569, 965393, 1410959, 1667497, 18342467]

約数ペア:

[(1, 18342467), (11, 1667497), (13, 1410959), (19, 965393), (43, 426569), (143, 128269), (157, 116831), (209, 87763), (247, 74261), (473, 38779), (559, 32813), (817, 22451), (1727, 10621), (2041, 8987), (2717, 6751), (2983, 6149)]