18518136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 58329600

約数和(自身を除く): 39811464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 61, 78, 84, 91, 104, 122, 139, 156, 168, 182, 183, 244, 273, 278, 312, 364, 366, 417, 427, 488, 546, 556, 728, 732, 793, 834, 854, 973, 1092, 1112, 1281, 1464, 1586, 1668, 1708, 1807, 1946, 2184, 2379, 2562, 2919, 3172, 3336, 3416, 3614, 3892, 4758, 5124, 5421, 5551, 5838, 6344, 7228, 7784, 8479, 9516, 10248, 10842, 11102, 11676, 12649, 14456, 16653, 16958, 19032, 21684, 22204, 23352, 25298, 25437, 33306, 33916, 37947, 43368, 44408, 50596, 50874, 59353, 66612, 67832, 75894, 101192, 101748, 110227, 118706, 133224, 151788, 178059, 203496, 220454, 237412, 303576, 330681, 356118, 440908, 474824, 661362, 712236, 771589, 881816, 1322724, 1424472, 1543178, 2314767, 2645448, 3086356, 4629534, 6172712, 9259068, 18518136]

約数ペア:

[(1, 18518136), (2, 9259068), (3, 6172712), (4, 4629534), (6, 3086356), (7, 2645448), (8, 2314767), (12, 1543178), (13, 1424472), (14, 1322724), (21, 881816), (24, 771589), (26, 712236), (28, 661362), (39, 474824), (42, 440908), (52, 356118), (56, 330681), (61, 303576), (78, 237412), (84, 220454), (91, 203496), (104, 178059), (122, 151788), (139, 133224), (156, 118706), (168, 110227), (182, 101748), (183, 101192), (244, 75894), (273, 67832), (278, 66612), (312, 59353), (364, 50874), (366, 50596), (417, 44408), (427, 43368), (488, 37947), (546, 33916), (556, 33306), (728, 25437), (732, 25298), (793, 23352), (834, 22204), (854, 21684), (973, 19032), (1092, 16958), (1112, 16653), (1281, 14456), (1464, 12649), (1586, 11676), (1668, 11102), (1708, 10842), (1807, 10248), (1946, 9516), (2184, 8479), (2379, 7784), (2562, 7228), (2919, 6344), (3172, 5838), (3336, 5551), (3416, 5421), (3614, 5124), (3892, 4758)]