2019945081

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 3735916800

約数和(自身を除く): 1715971719

約数列:

[1, 3, 7, 11, 19, 21, 33, 43, 49, 57, 77, 121, 129, 133, 139, 147, 209, 231, 301, 363, 399, 417, 473, 539, 627, 817, 847, 903, 931, 973, 1419, 1463, 1529, 1617, 2107, 2299, 2451, 2541, 2641, 2793, 2919, 3311, 4389, 4587, 5203, 5719, 5929, 5977, 6321, 6811, 6897, 7923, 8987, 9933, 10241, 10703, 15609, 16093, 16819, 17157, 17787, 17931, 18487, 20433, 23177, 26961, 29051, 30723, 32109, 36421, 40033, 41839, 48279, 50457, 55461, 62909, 65747, 69531, 74921, 87153, 98857, 109263, 112651, 113563, 117733, 120099, 125517, 129409, 188727, 197241, 203357, 224763, 254947, 292873, 296571, 319561, 337953, 340689, 353199, 388227, 440363, 460229, 610071, 691999, 723217, 764841, 794941, 824131, 878619, 958683, 1249193, 1321089, 1380687, 1423499, 2075997, 2169651, 2236927, 2384823, 2472393, 3221603, 3747579, 4270497, 4843993, 5062519, 5564587, 6710781, 8744351, 9664809, 13741123, 14531979, 15187557, 15658489, 16693761, 26233053, 35437633, 41223369, 46975467, 61210457, 96187861, 106312899, 183631371, 288563583, 673315027, 2019945081]

約数ペア:

[(1, 2019945081), (3, 673315027), (7, 288563583), (11, 183631371), (19, 106312899), (21, 96187861), (33, 61210457), (43, 46975467), (49, 41223369), (57, 35437633), (77, 26233053), (121, 16693761), (129, 15658489), (133, 15187557), (139, 14531979), (147, 13741123), (209, 9664809), (231, 8744351), (301, 6710781), (363, 5564587), (399, 5062519), (417, 4843993), (473, 4270497), (539, 3747579), (627, 3221603), (817, 2472393), (847, 2384823), (903, 2236927), (931, 2169651), (973, 2075997), (1419, 1423499), (1463, 1380687), (1529, 1321089), (1617, 1249193), (2107, 958683), (2299, 878619), (2451, 824131), (2541, 794941), (2641, 764841), (2793, 723217), (2919, 691999), (3311, 610071), (4389, 460229), (4587, 440363), (5203, 388227), (5719, 353199), (5929, 340689), (5977, 337953), (6321, 319561), (6811, 296571), (6897, 292873), (7923, 254947), (8987, 224763), (9933, 203357), (10241, 197241), (10703, 188727), (15609, 129409), (16093, 125517), (16819, 120099), (17157, 117733), (17787, 113563), (17931, 112651), (18487, 109263), (20433, 98857), (23177, 87153), (26961, 74921), (29051, 69531), (30723, 65747), (32109, 62909), (36421, 55461), (40033, 50457), (41839, 48279)]