18780552

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{12421}}^1$

素因数の和:12443

約数の個数: 64

約数和(自身を含む): 59625600

約数和(自身を除く): 40845048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 12421, 24842, 37263, 49684, 74526, 86947, 99368, 111789, 149052, 173894, 223578, 260841, 298104, 335367, 347788, 447156, 521682, 670734, 695576, 782523, 894312, 1043364, 1341468, 1565046, 2086728, 2347569, 2682936, 3130092, 4695138, 6260184, 9390276, 18780552]

約数ペア:

[(1, 18780552), (2, 9390276), (3, 6260184), (4, 4695138), (6, 3130092), (7, 2682936), (8, 2347569), (9, 2086728), (12, 1565046), (14, 1341468), (18, 1043364), (21, 894312), (24, 782523), (27, 695576), (28, 670734), (36, 521682), (42, 447156), (54, 347788), (56, 335367), (63, 298104), (72, 260841), (84, 223578), (108, 173894), (126, 149052), (168, 111789), (189, 99368), (216, 86947), (252, 74526), (378, 49684), (504, 37263), (756, 24842), (1512, 12421)]