18315715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 26749440

約数和(自身を除く): 8433725

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 935, 1031, 1045, 1615, 3553, 5155, 11341, 17527, 17765, 19589, 56705, 87635, 97945, 192797, 215479, 333013, 963985, 1077395, 1665065, 3663143, 18315715]

約数ペア:

[(1, 18315715), (5, 3663143), (11, 1665065), (17, 1077395), (19, 963985), (55, 333013), (85, 215479), (95, 192797), (187, 97945), (209, 87635), (323, 56705), (935, 19589), (1031, 17765), (1045, 17527), (1615, 11341), (3553, 5155)]