18950525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 25873344

約数和(自身を除く): 6922819

約数列:

[1, 5, 11, 25, 55, 137, 275, 503, 685, 1507, 2515, 3425, 5533, 7535, 12575, 27665, 37675, 68911, 138325, 344555, 758021, 1722775, 3790105, 18950525]

約数ペア:

[(1, 18950525), (5, 3790105), (11, 1722775), (25, 758021), (55, 344555), (137, 138325), (275, 68911), (503, 37675), (685, 27665), (1507, 12575), (2515, 7535), (3425, 5533)]