18668598

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3371}}^1$

素因数の和:3460

約数の個数: 32

約数和(自身を含む): 40787712

約数和(自身を除く): 22119114

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3371, 5538, 6742, 10113, 20226, 43823, 87646, 131469, 239341, 262938, 478682, 718023, 1436046, 3111433, 6222866, 9334299, 18668598]

約数ペア:

[(1, 18668598), (2, 9334299), (3, 6222866), (6, 3111433), (13, 1436046), (26, 718023), (39, 478682), (71, 262938), (78, 239341), (142, 131469), (213, 87646), (426, 43823), (923, 20226), (1846, 10113), (2769, 6742), (3371, 5538)]