19474728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 61797120

約数和(自身を除く): 42322392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 148, 156, 168, 182, 222, 241, 259, 273, 296, 312, 364, 444, 481, 482, 518, 546, 723, 728, 777, 888, 962, 964, 1036, 1092, 1443, 1446, 1554, 1687, 1924, 1928, 2072, 2184, 2886, 2892, 3108, 3133, 3367, 3374, 3848, 5061, 5772, 5784, 6216, 6266, 6734, 6748, 8917, 9399, 10101, 10122, 11544, 12532, 13468, 13496, 17834, 18798, 20202, 20244, 21931, 25064, 26751, 26936, 35668, 37596, 40404, 40488, 43862, 53502, 62419, 65793, 71336, 75192, 80808, 87724, 107004, 115921, 124838, 131586, 175448, 187257, 214008, 231842, 249676, 263172, 347763, 374514, 463684, 499352, 526344, 695526, 749028, 811447, 927368, 1391052, 1498056, 1622894, 2434341, 2782104, 3245788, 4868682, 6491576, 9737364, 19474728]

約数ペア:

[(1, 19474728), (2, 9737364), (3, 6491576), (4, 4868682), (6, 3245788), (7, 2782104), (8, 2434341), (12, 1622894), (13, 1498056), (14, 1391052), (21, 927368), (24, 811447), (26, 749028), (28, 695526), (37, 526344), (39, 499352), (42, 463684), (52, 374514), (56, 347763), (74, 263172), (78, 249676), (84, 231842), (91, 214008), (104, 187257), (111, 175448), (148, 131586), (156, 124838), (168, 115921), (182, 107004), (222, 87724), (241, 80808), (259, 75192), (273, 71336), (296, 65793), (312, 62419), (364, 53502), (444, 43862), (481, 40488), (482, 40404), (518, 37596), (546, 35668), (723, 26936), (728, 26751), (777, 25064), (888, 21931), (962, 20244), (964, 20202), (1036, 18798), (1092, 17834), (1443, 13496), (1446, 13468), (1554, 12532), (1687, 11544), (1924, 10122), (1928, 10101), (2072, 9399), (2184, 8917), (2886, 6748), (2892, 6734), (3108, 6266), (3133, 6216), (3367, 5784), (3374, 5772), (3848, 5061)]