20181715542

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{31643}}^1$

素因数の和:31815

約数の個数: 80

約数和(自身を含む): 47049818112

約数和(自身を除く): 26868102570

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 127, 162, 186, 254, 279, 381, 558, 762, 837, 1143, 1674, 2286, 2511, 3429, 3937, 5022, 6858, 7874, 10287, 11811, 20574, 23622, 31643, 35433, 63286, 70866, 94929, 106299, 189858, 212598, 284787, 318897, 569574, 637794, 854361, 980933, 1708722, 1961866, 2563083, 2942799, 4018661, 5126166, 5885598, 8037322, 8828397, 12055983, 17656794, 24111966, 26485191, 36167949, 52970382, 72335898, 79455573, 108503847, 124578491, 158911146, 217007694, 249156982, 325511541, 373735473, 651023082, 747470946, 1121206419, 2242412838, 3363619257, 6727238514, 10090857771, 20181715542]

約数ペア:

[(1, 20181715542), (2, 10090857771), (3, 6727238514), (6, 3363619257), (9, 2242412838), (18, 1121206419), (27, 747470946), (31, 651023082), (54, 373735473), (62, 325511541), (81, 249156982), (93, 217007694), (127, 158911146), (162, 124578491), (186, 108503847), (254, 79455573), (279, 72335898), (381, 52970382), (558, 36167949), (762, 26485191), (837, 24111966), (1143, 17656794), (1674, 12055983), (2286, 8828397), (2511, 8037322), (3429, 5885598), (3937, 5126166), (5022, 4018661), (6858, 2942799), (7874, 2563083), (10287, 1961866), (11811, 1708722), (20574, 980933), (23622, 854361), (31643, 637794), (35433, 569574), (63286, 318897), (70866, 284787), (94929, 212598), (106299, 189858)]