19564623

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:728

約数の個数: 36

約数和(自身を含む): 32259240

約数和(自身を除く): 12694617

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 507, 677, 741, 1521, 2031, 2223, 3211, 6093, 8801, 9633, 12863, 26403, 28899, 38589, 79209, 114413, 115767, 167219, 343239, 501657, 1029717, 1504971, 2173847, 6521541, 19564623]

約数ペア:

[(1, 19564623), (3, 6521541), (9, 2173847), (13, 1504971), (19, 1029717), (39, 501657), (57, 343239), (117, 167219), (169, 115767), (171, 114413), (247, 79209), (507, 38589), (677, 28899), (741, 26403), (1521, 12863), (2031, 9633), (2223, 8801), (3211, 6093)]