19777472

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 56

約数和(自身を含む): 46128432

約数和(自身を除く): 26350960

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2161, 2288, 4322, 4576, 8644, 9152, 17288, 23771, 28093, 34576, 47542, 56186, 69152, 95084, 112372, 138304, 190168, 224744, 309023, 380336, 449488, 618046, 760672, 898976, 1236092, 1521344, 1797952, 2472184, 4944368, 9888736, 19777472]

約数ペア:

[(1, 19777472), (2, 9888736), (4, 4944368), (8, 2472184), (11, 1797952), (13, 1521344), (16, 1236092), (22, 898976), (26, 760672), (32, 618046), (44, 449488), (52, 380336), (64, 309023), (88, 224744), (104, 190168), (143, 138304), (176, 112372), (208, 95084), (286, 69152), (352, 56186), (416, 47542), (572, 34576), (704, 28093), (832, 23771), (1144, 17288), (2161, 9152), (2288, 8644), (4322, 4576)]