18842643

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 28108080

約数和(自身を除く): 9265437

約数列:

[1, 3, 9, 43, 129, 181, 269, 387, 543, 807, 1629, 2421, 7783, 11567, 23349, 34701, 48689, 70047, 104103, 146067, 438201, 2093627, 6280881, 18842643]

約数ペア:

[(1, 18842643), (3, 6280881), (9, 2093627), (43, 438201), (129, 146067), (181, 104103), (269, 70047), (387, 48689), (543, 34701), (807, 23349), (1629, 11567), (2421, 7783)]