18775393

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 23716800

約数和(自身を除く): 4941407

約数列:

[1, 7, 13, 59, 91, 169, 269, 413, 767, 1183, 1883, 3497, 5369, 9971, 15871, 24479, 45461, 69797, 111097, 206323, 318227, 1444261, 2682199, 18775393]

約数ペア:

[(1, 18775393), (7, 2682199), (13, 1444261), (59, 318227), (91, 206323), (169, 111097), (269, 69797), (413, 45461), (767, 24479), (1183, 15871), (1883, 9971), (3497, 5369)]