18785718

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 108

約数和(自身を含む): 50817780

約数和(自身を除く): 32032062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 59, 63, 98, 114, 118, 126, 133, 147, 171, 177, 266, 294, 342, 354, 361, 399, 413, 441, 531, 722, 798, 826, 882, 931, 1062, 1083, 1121, 1197, 1239, 1862, 2166, 2242, 2394, 2478, 2527, 2793, 2891, 3249, 3363, 3717, 5054, 5586, 5782, 6498, 6726, 7434, 7581, 7847, 8379, 8673, 10089, 15162, 15694, 16758, 17346, 17689, 20178, 21299, 22743, 23541, 26019, 35378, 42598, 45486, 47082, 52038, 53067, 54929, 63897, 70623, 106134, 109858, 127794, 141246, 149093, 159201, 164787, 191691, 298186, 318402, 329574, 383382, 447279, 494361, 894558, 988722, 1043651, 1341837, 2087302, 2683674, 3130953, 6261906, 9392859, 18785718]

約数ペア:

[(1, 18785718), (2, 9392859), (3, 6261906), (6, 3130953), (7, 2683674), (9, 2087302), (14, 1341837), (18, 1043651), (19, 988722), (21, 894558), (38, 494361), (42, 447279), (49, 383382), (57, 329574), (59, 318402), (63, 298186), (98, 191691), (114, 164787), (118, 159201), (126, 149093), (133, 141246), (147, 127794), (171, 109858), (177, 106134), (266, 70623), (294, 63897), (342, 54929), (354, 53067), (361, 52038), (399, 47082), (413, 45486), (441, 42598), (531, 35378), (722, 26019), (798, 23541), (826, 22743), (882, 21299), (931, 20178), (1062, 17689), (1083, 17346), (1121, 16758), (1197, 15694), (1239, 15162), (1862, 10089), (2166, 8673), (2242, 8379), (2394, 7847), (2478, 7581), (2527, 7434), (2793, 6726), (2891, 6498), (3249, 5782), (3363, 5586), (3717, 5054)]