18380544

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 60436992

約数和(自身を除く): 42056448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 256, 263, 273, 312, 336, 364, 384, 416, 448, 526, 546, 624, 672, 728, 768, 789, 832, 896, 1052, 1092, 1248, 1344, 1456, 1578, 1664, 1792, 1841, 2104, 2184, 2496, 2688, 2912, 3156, 3328, 3419, 3682, 4208, 4368, 4992, 5376, 5523, 5824, 6312, 6838, 7364, 8416, 8736, 9984, 10257, 11046, 11648, 12624, 13676, 14728, 16832, 17472, 20514, 22092, 23296, 23933, 25248, 27352, 29456, 33664, 34944, 41028, 44184, 47866, 50496, 54704, 58912, 67328, 69888, 71799, 82056, 88368, 95732, 100992, 109408, 117824, 143598, 164112, 176736, 191464, 201984, 218816, 235648, 287196, 328224, 353472, 382928, 437632, 471296, 574392, 656448, 706944, 765856, 875264, 1148784, 1312896, 1413888, 1531712, 2297568, 2625792, 3063424, 4595136, 6126848, 9190272, 18380544]

約数ペア:

[(1, 18380544), (2, 9190272), (3, 6126848), (4, 4595136), (6, 3063424), (7, 2625792), (8, 2297568), (12, 1531712), (13, 1413888), (14, 1312896), (16, 1148784), (21, 875264), (24, 765856), (26, 706944), (28, 656448), (32, 574392), (39, 471296), (42, 437632), (48, 382928), (52, 353472), (56, 328224), (64, 287196), (78, 235648), (84, 218816), (91, 201984), (96, 191464), (104, 176736), (112, 164112), (128, 143598), (156, 117824), (168, 109408), (182, 100992), (192, 95732), (208, 88368), (224, 82056), (256, 71799), (263, 69888), (273, 67328), (312, 58912), (336, 54704), (364, 50496), (384, 47866), (416, 44184), (448, 41028), (526, 34944), (546, 33664), (624, 29456), (672, 27352), (728, 25248), (768, 23933), (789, 23296), (832, 22092), (896, 20514), (1052, 17472), (1092, 16832), (1248, 14728), (1344, 13676), (1456, 12624), (1578, 11648), (1664, 11046), (1792, 10257), (1841, 9984), (2104, 8736), (2184, 8416), (2496, 7364), (2688, 6838), (2912, 6312), (3156, 5824), (3328, 5523), (3419, 5376), (3682, 4992), (4208, 4368)]