19156256

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 72

約数和(自身を含む): 46252080

約数和(自身を除く): 27095824

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 643, 784, 931, 1064, 1286, 1568, 1862, 2128, 2572, 3724, 4256, 4501, 5144, 7448, 9002, 10288, 12217, 14896, 18004, 20576, 24434, 29792, 31507, 36008, 48868, 63014, 72016, 85519, 97736, 126028, 144032, 171038, 195472, 252056, 342076, 390944, 504112, 598633, 684152, 1008224, 1197266, 1368304, 2394532, 2736608, 4789064, 9578128, 19156256]

約数ペア:

[(1, 19156256), (2, 9578128), (4, 4789064), (7, 2736608), (8, 2394532), (14, 1368304), (16, 1197266), (19, 1008224), (28, 684152), (32, 598633), (38, 504112), (49, 390944), (56, 342076), (76, 252056), (98, 195472), (112, 171038), (133, 144032), (152, 126028), (196, 97736), (224, 85519), (266, 72016), (304, 63014), (392, 48868), (532, 36008), (608, 31507), (643, 29792), (784, 24434), (931, 20576), (1064, 18004), (1286, 14896), (1568, 12217), (1862, 10288), (2128, 9002), (2572, 7448), (3724, 5144), (4256, 4501)]