18822906

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 23555430

約数列:

[1, 2, 3, 6, 9, 18, 43, 83, 86, 129, 166, 249, 258, 293, 387, 498, 586, 747, 774, 879, 1494, 1758, 2637, 3569, 5274, 7138, 10707, 12599, 21414, 24319, 25198, 32121, 37797, 48638, 64242, 72957, 75594, 113391, 145914, 218871, 226782, 437742, 1045717, 2091434, 3137151, 6274302, 9411453, 18822906]

約数ペア:

[(1, 18822906), (2, 9411453), (3, 6274302), (6, 3137151), (9, 2091434), (18, 1045717), (43, 437742), (83, 226782), (86, 218871), (129, 145914), (166, 113391), (249, 75594), (258, 72957), (293, 64242), (387, 48638), (498, 37797), (586, 32121), (747, 25198), (774, 24319), (879, 21414), (1494, 12599), (1758, 10707), (2637, 7138), (3569, 5274)]