18887694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3541}}^1$

素因数の和:3680

約数の個数: 32

約数和(自身を含む): 43524096

約数和(自身を除く): 24636402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3541, 5334, 7082, 10623, 21246, 24787, 49574, 74361, 148722, 449707, 899414, 1349121, 2698242, 3147949, 6295898, 9443847, 18887694]

約数ペア:

[(1, 18887694), (2, 9443847), (3, 6295898), (6, 3147949), (7, 2698242), (14, 1349121), (21, 899414), (42, 449707), (127, 148722), (254, 74361), (381, 49574), (762, 24787), (889, 21246), (1778, 10623), (2667, 7082), (3541, 5334)]