18538794

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^2\times {\mathrm{317}}^1$

素因数の和:369

約数の個数: 60

約数和(自身を含む): 43980354

約数和(自身を除く): 25441560

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 317, 342, 361, 513, 634, 722, 951, 1026, 1083, 1539, 1902, 2166, 2853, 3078, 3249, 5706, 6023, 6498, 8559, 9747, 12046, 17118, 18069, 19494, 25677, 29241, 36138, 51354, 54207, 58482, 108414, 114437, 162621, 228874, 325242, 343311, 487863, 686622, 975726, 1029933, 2059866, 3089799, 6179598, 9269397, 18538794]

約数ペア:

[(1, 18538794), (2, 9269397), (3, 6179598), (6, 3089799), (9, 2059866), (18, 1029933), (19, 975726), (27, 686622), (38, 487863), (54, 343311), (57, 325242), (81, 228874), (114, 162621), (162, 114437), (171, 108414), (317, 58482), (342, 54207), (361, 51354), (513, 36138), (634, 29241), (722, 25677), (951, 19494), (1026, 18069), (1083, 17118), (1539, 12046), (1902, 9747), (2166, 8559), (2853, 6498), (3078, 6023), (3249, 5706)]