18887568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{839}}^1$

素因数の和:924

約数の個数: 80

約数和(自身を含む): 56663040

約数和(自身を除く): 37775472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 67, 84, 112, 134, 168, 201, 268, 336, 402, 469, 536, 804, 839, 938, 1072, 1407, 1608, 1678, 1876, 2517, 2814, 3216, 3356, 3752, 5034, 5628, 5873, 6712, 7504, 10068, 11256, 11746, 13424, 17619, 20136, 22512, 23492, 35238, 40272, 46984, 56213, 70476, 93968, 112426, 140952, 168639, 224852, 281904, 337278, 393491, 449704, 674556, 786982, 899408, 1180473, 1349112, 1573964, 2360946, 2698224, 3147928, 4721892, 6295856, 9443784, 18887568]

約数ペア:

[(1, 18887568), (2, 9443784), (3, 6295856), (4, 4721892), (6, 3147928), (7, 2698224), (8, 2360946), (12, 1573964), (14, 1349112), (16, 1180473), (21, 899408), (24, 786982), (28, 674556), (42, 449704), (48, 393491), (56, 337278), (67, 281904), (84, 224852), (112, 168639), (134, 140952), (168, 112426), (201, 93968), (268, 70476), (336, 56213), (402, 46984), (469, 40272), (536, 35238), (804, 23492), (839, 22512), (938, 20136), (1072, 17619), (1407, 13424), (1608, 11746), (1678, 11256), (1876, 10068), (2517, 7504), (2814, 6712), (3216, 5873), (3356, 5628), (3752, 5034)]