19580498

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 18781102

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 49, 73, 98, 119, 146, 161, 238, 322, 343, 391, 511, 686, 782, 833, 1022, 1127, 1241, 1666, 1679, 2254, 2482, 2737, 3358, 3577, 5474, 5831, 7154, 7889, 8687, 11662, 11753, 15778, 17374, 19159, 23506, 25039, 28543, 38318, 50078, 57086, 60809, 82271, 121618, 134113, 164542, 199801, 268226, 399602, 425663, 575897, 851326, 1151794, 1398607, 2797214, 9790249, 19580498]

約数ペア:

[(1, 19580498), (2, 9790249), (7, 2797214), (14, 1398607), (17, 1151794), (23, 851326), (34, 575897), (46, 425663), (49, 399602), (73, 268226), (98, 199801), (119, 164542), (146, 134113), (161, 121618), (238, 82271), (322, 60809), (343, 57086), (391, 50078), (511, 38318), (686, 28543), (782, 25039), (833, 23506), (1022, 19159), (1127, 17374), (1241, 15778), (1666, 11753), (1679, 11662), (2254, 8687), (2482, 7889), (2737, 7154), (3358, 5831), (3577, 5474)]