19952128

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:337

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 28169792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 293, 304, 448, 512, 532, 586, 608, 896, 1064, 1172, 1216, 1792, 2051, 2128, 2344, 2432, 3584, 4102, 4256, 4688, 4864, 5567, 8204, 8512, 9376, 9728, 11134, 16408, 17024, 18752, 22268, 32816, 34048, 37504, 38969, 44536, 65632, 68096, 75008, 77938, 89072, 131264, 150016, 155876, 178144, 262528, 311752, 356288, 525056, 623504, 712576, 1050112, 1247008, 1425152, 2494016, 2850304, 4988032, 9976064, 19952128]

約数ペア:

[(1, 19952128), (2, 9976064), (4, 4988032), (7, 2850304), (8, 2494016), (14, 1425152), (16, 1247008), (19, 1050112), (28, 712576), (32, 623504), (38, 525056), (56, 356288), (64, 311752), (76, 262528), (112, 178144), (128, 155876), (133, 150016), (152, 131264), (224, 89072), (256, 77938), (266, 75008), (293, 68096), (304, 65632), (448, 44536), (512, 38969), (532, 37504), (586, 34048), (608, 32816), (896, 22268), (1064, 18752), (1172, 17024), (1216, 16408), (1792, 11134), (2051, 9728), (2128, 9376), (2344, 8512), (2432, 8204), (3584, 5567), (4102, 4864), (4256, 4688)]