18906888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:827

約数の個数: 128

約数和(自身を含む): 63544320

約数和(自身を除く): 44637432

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 787, 858, 924, 1001, 1092, 1144, 1574, 1716, 1848, 2002, 2184, 2361, 3003, 3148, 3432, 4004, 4722, 5509, 6006, 6296, 8008, 8657, 9444, 10231, 11018, 12012, 16527, 17314, 18888, 20462, 22036, 24024, 25971, 30693, 33054, 34628, 40924, 44072, 51942, 60599, 61386, 66108, 69256, 71617, 81848, 103884, 112541, 121198, 122772, 132216, 143234, 181797, 207768, 214851, 225082, 242396, 245544, 286468, 337623, 363594, 429702, 450164, 484792, 572936, 675246, 727188, 787787, 859404, 900328, 1350492, 1454376, 1575574, 1718808, 2363361, 2700984, 3151148, 4726722, 6302296, 9453444, 18906888]

約数ペア:

[(1, 18906888), (2, 9453444), (3, 6302296), (4, 4726722), (6, 3151148), (7, 2700984), (8, 2363361), (11, 1718808), (12, 1575574), (13, 1454376), (14, 1350492), (21, 900328), (22, 859404), (24, 787787), (26, 727188), (28, 675246), (33, 572936), (39, 484792), (42, 450164), (44, 429702), (52, 363594), (56, 337623), (66, 286468), (77, 245544), (78, 242396), (84, 225082), (88, 214851), (91, 207768), (104, 181797), (132, 143234), (143, 132216), (154, 122772), (156, 121198), (168, 112541), (182, 103884), (231, 81848), (264, 71617), (273, 69256), (286, 66108), (308, 61386), (312, 60599), (364, 51942), (429, 44072), (462, 40924), (546, 34628), (572, 33054), (616, 30693), (728, 25971), (787, 24024), (858, 22036), (924, 20462), (1001, 18888), (1092, 17314), (1144, 16527), (1574, 12012), (1716, 11018), (1848, 10231), (2002, 9444), (2184, 8657), (2361, 8008), (3003, 6296), (3148, 6006), (3432, 5509), (4004, 4722)]