18977517

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4159}}^1$

素因数の和:4194

約数の個数: 24

約数和(自身を含む): 30451200

約数和(自身を除く): 11473683

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4159, 4563, 12477, 37431, 54067, 112293, 162201, 486603, 702871, 1459809, 2108613, 6325839, 18977517]

約数ペア:

[(1, 18977517), (3, 6325839), (9, 2108613), (13, 1459809), (27, 702871), (39, 486603), (117, 162201), (169, 112293), (351, 54067), (507, 37431), (1521, 12477), (4159, 4563)]