18700066

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 38208240

約数和(自身を除く): 19508174

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 83, 98, 121, 133, 154, 166, 209, 242, 266, 418, 539, 581, 847, 913, 931, 1078, 1162, 1463, 1577, 1694, 1826, 1862, 2299, 2926, 3154, 4067, 4598, 5929, 6391, 8134, 10043, 10241, 11039, 11858, 12782, 16093, 17347, 20086, 20482, 22078, 32186, 34694, 44737, 70301, 77273, 89474, 112651, 121429, 140602, 154546, 190817, 225302, 242858, 381634, 492107, 850003, 984214, 1335719, 1700006, 2671438, 9350033, 18700066]

約数ペア:

[(1, 18700066), (2, 9350033), (7, 2671438), (11, 1700006), (14, 1335719), (19, 984214), (22, 850003), (38, 492107), (49, 381634), (77, 242858), (83, 225302), (98, 190817), (121, 154546), (133, 140602), (154, 121429), (166, 112651), (209, 89474), (242, 77273), (266, 70301), (418, 44737), (539, 34694), (581, 32186), (847, 22078), (913, 20482), (931, 20086), (1078, 17347), (1162, 16093), (1463, 12782), (1577, 11858), (1694, 11039), (1826, 10241), (1862, 10043), (2299, 8134), (2926, 6391), (3154, 5929), (4067, 4598)]