31721488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{104347}}^1$

素因数の和:104374

約数の個数: 20

約数和(自身を含む): 64695760

約数和(自身を除く): 32974272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 104347, 208694, 417388, 834776, 1669552, 1982593, 3965186, 7930372, 15860744, 31721488]

約数ペア:

[(1, 31721488), (2, 15860744), (4, 7930372), (8, 3965186), (16, 1982593), (19, 1669552), (38, 834776), (76, 417388), (152, 208694), (304, 104347)]