20181656124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1999}}^1\times {\mathrm{40063}}^1$

素因数の和:42079

約数の個数: 72

約数和(自身を含む): 58333184000

約数和(自身を除く): 38151527876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1999, 3998, 5997, 7996, 11994, 13993, 17991, 23988, 27986, 35982, 40063, 41979, 55972, 71964, 80126, 83958, 120189, 125937, 160252, 167916, 240378, 251874, 280441, 360567, 480756, 503748, 560882, 721134, 841323, 1121764, 1442268, 1682646, 2523969, 3365292, 5047938, 10095876, 80085937, 160171874, 240257811, 320343748, 480515622, 560601559, 720773433, 961031244, 1121203118, 1441546866, 1681804677, 2242406236, 2883093732, 3363609354, 5045414031, 6727218708, 10090828062, 20181656124]

約数ペア:

[(1, 20181656124), (2, 10090828062), (3, 6727218708), (4, 5045414031), (6, 3363609354), (7, 2883093732), (9, 2242406236), (12, 1681804677), (14, 1441546866), (18, 1121203118), (21, 961031244), (28, 720773433), (36, 560601559), (42, 480515622), (63, 320343748), (84, 240257811), (126, 160171874), (252, 80085937), (1999, 10095876), (3998, 5047938), (5997, 3365292), (7996, 2523969), (11994, 1682646), (13993, 1442268), (17991, 1121764), (23988, 841323), (27986, 721134), (35982, 560882), (40063, 503748), (41979, 480756), (55972, 360567), (71964, 280441), (80126, 251874), (83958, 240378), (120189, 167916), (125937, 160252)]