42542672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139943}}^1$

素因数の和:139970

約数の個数: 20

約数和(自身を含む): 86765280

約数和(自身を除く): 44222608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 139943, 279886, 559772, 1119544, 2239088, 2658917, 5317834, 10635668, 21271336, 42542672]

約数ペア:

[(1, 42542672), (2, 21271336), (4, 10635668), (8, 5317834), (16, 2658917), (19, 2239088), (38, 1119544), (76, 559772), (152, 279886), (304, 139943)]