21836178944

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:540

約数の個数: 160

約数和(自身を含む): 47351969280

約数和(自身を除く): 25515790336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 163, 188, 256, 293, 304, 326, 376, 512, 586, 608, 652, 752, 893, 1172, 1216, 1304, 1504, 1786, 2344, 2432, 2608, 3008, 3097, 3572, 4688, 4864, 5216, 5567, 6016, 6194, 7144, 7661, 9376, 9728, 10432, 11134, 12032, 12388, 13771, 14288, 15322, 18752, 20864, 22268, 24064, 24776, 27542, 28576, 30644, 37504, 41728, 44536, 47759, 49552, 55084, 57152, 61288, 75008, 83456, 89072, 95518, 99104, 110168, 114304, 122576, 145559, 150016, 178144, 191036, 198208, 220336, 228608, 245152, 261649, 291118, 356288, 382072, 396416, 440672, 457216, 490304, 523298, 582236, 712576, 764144, 792832, 881344, 907421, 980608, 1046596, 1164472, 1425152, 1528288, 1585664, 1762688, 1814842, 1961216, 2093192, 2244673, 2328944, 2850304, 3056576, 3525376, 3629684, 3922432, 4186384, 4489346, 4657888, 6113152, 7050752, 7259368, 8372768, 8978692, 9315776, 12226304, 14518736, 16745536, 17957384, 18631552, 24452608, 29037472, 33491072, 35914768, 37263104, 42648787, 58074944, 66982144, 71829536, 74526208, 85297574, 116149888, 133964288, 143659072, 170595148, 232299776, 287318144, 341190296, 464599552, 574636288, 682380592, 1149272576, 1364761184, 2729522368, 5459044736, 10918089472, 21836178944]

約数ペア:

[(1, 21836178944), (2, 10918089472), (4, 5459044736), (8, 2729522368), (16, 1364761184), (19, 1149272576), (32, 682380592), (38, 574636288), (47, 464599552), (64, 341190296), (76, 287318144), (94, 232299776), (128, 170595148), (152, 143659072), (163, 133964288), (188, 116149888), (256, 85297574), (293, 74526208), (304, 71829536), (326, 66982144), (376, 58074944), (512, 42648787), (586, 37263104), (608, 35914768), (652, 33491072), (752, 29037472), (893, 24452608), (1172, 18631552), (1216, 17957384), (1304, 16745536), (1504, 14518736), (1786, 12226304), (2344, 9315776), (2432, 8978692), (2608, 8372768), (3008, 7259368), (3097, 7050752), (3572, 6113152), (4688, 4657888), (4864, 4489346), (5216, 4186384), (5567, 3922432), (6016, 3629684), (6194, 3525376), (7144, 3056576), (7661, 2850304), (9376, 2328944), (9728, 2244673), (10432, 2093192), (11134, 1961216), (12032, 1814842), (12388, 1762688), (13771, 1585664), (14288, 1528288), (15322, 1425152), (18752, 1164472), (20864, 1046596), (22268, 980608), (24064, 907421), (24776, 881344), (27542, 792832), (28576, 764144), (30644, 712576), (37504, 582236), (41728, 523298), (44536, 490304), (47759, 457216), (49552, 440672), (55084, 396416), (57152, 382072), (61288, 356288), (75008, 291118), (83456, 261649), (89072, 245152), (95518, 228608), (99104, 220336), (110168, 198208), (114304, 191036), (122576, 178144), (145559, 150016)]