2019445616

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:582

約数の個数: 80

約数和(自身を含む): 4101166080

約数和(自身を除く): 2081720464

約数列:

[1, 2, 4, 8, 16, 47, 71, 94, 109, 142, 188, 218, 284, 347, 376, 436, 568, 694, 752, 872, 1136, 1388, 1744, 2776, 3337, 5123, 5552, 6674, 7739, 10246, 13348, 15478, 16309, 20492, 24637, 26696, 30956, 32618, 37823, 40984, 49274, 53392, 61912, 65236, 75646, 81968, 98548, 123824, 130472, 151292, 197096, 260944, 302584, 363733, 394192, 605168, 727466, 1157939, 1454932, 1777681, 2315878, 2685433, 2909864, 3555362, 4631756, 5370866, 5819728, 7110724, 9263512, 10741732, 14221448, 18527024, 21483464, 28442896, 42966928, 126215351, 252430702, 504861404, 1009722808, 2019445616]

約数ペア:

[(1, 2019445616), (2, 1009722808), (4, 504861404), (8, 252430702), (16, 126215351), (47, 42966928), (71, 28442896), (94, 21483464), (109, 18527024), (142, 14221448), (188, 10741732), (218, 9263512), (284, 7110724), (347, 5819728), (376, 5370866), (436, 4631756), (568, 3555362), (694, 2909864), (752, 2685433), (872, 2315878), (1136, 1777681), (1388, 1454932), (1744, 1157939), (2776, 727466), (3337, 605168), (5123, 394192), (5552, 363733), (6674, 302584), (7739, 260944), (10246, 197096), (13348, 151292), (15478, 130472), (16309, 123824), (20492, 98548), (24637, 81968), (26696, 75646), (30956, 65236), (32618, 61912), (37823, 53392), (40984, 49274)]