18148949

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 23087232

約数和(自身を除く): 4938283

約数列:

[1, 7, 13, 53, 71, 91, 371, 497, 689, 923, 2809, 3763, 4823, 6461, 19663, 26341, 36517, 48919, 199439, 255619, 342433, 1396073, 2592707, 18148949]

約数ペア:

[(1, 18148949), (7, 2592707), (13, 1396073), (53, 342433), (71, 255619), (91, 199439), (371, 48919), (497, 36517), (689, 26341), (923, 19663), (2809, 6461), (3763, 4823)]