19216809

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 29515200

約数和(自身を除く): 10298391

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 1031, 2071, 3093, 6213, 9279, 18639, 19589, 58767, 112379, 176301, 337137, 1011411, 2135201, 6405603, 19216809]

約数ペア:

[(1, 19216809), (3, 6405603), (9, 2135201), (19, 1011411), (57, 337137), (109, 176301), (171, 112379), (327, 58767), (981, 19589), (1031, 18639), (2071, 9279), (3093, 6213)]