18928259

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 24098688

約数和(自身を除く): 5170429

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 733, 833, 1519, 3689, 5131, 12461, 22723, 25823, 35917, 87227, 159061, 386291, 610589, 1113427, 2704037, 18928259]

約数ペア:

[(1, 18928259), (7, 2704037), (17, 1113427), (31, 610589), (49, 386291), (119, 159061), (217, 87227), (527, 35917), (733, 25823), (833, 22723), (1519, 12461), (3689, 5131)]