19735520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 54286848

約数和(自身を除く): 34551328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 224, 263, 268, 280, 335, 469, 526, 536, 560, 670, 938, 1052, 1072, 1120, 1315, 1340, 1841, 1876, 2104, 2144, 2345, 2630, 2680, 3682, 3752, 4208, 4690, 5260, 5360, 7364, 7504, 8416, 9205, 9380, 10520, 10720, 14728, 15008, 17621, 18410, 18760, 21040, 29456, 35242, 36820, 37520, 42080, 58912, 70484, 73640, 75040, 88105, 123347, 140968, 147280, 176210, 246694, 281936, 294560, 352420, 493388, 563872, 616735, 704840, 986776, 1233470, 1409680, 1973552, 2466940, 2819360, 3947104, 4933880, 9867760, 19735520]

約数ペア:

[(1, 19735520), (2, 9867760), (4, 4933880), (5, 3947104), (7, 2819360), (8, 2466940), (10, 1973552), (14, 1409680), (16, 1233470), (20, 986776), (28, 704840), (32, 616735), (35, 563872), (40, 493388), (56, 352420), (67, 294560), (70, 281936), (80, 246694), (112, 176210), (134, 147280), (140, 140968), (160, 123347), (224, 88105), (263, 75040), (268, 73640), (280, 70484), (335, 58912), (469, 42080), (526, 37520), (536, 36820), (560, 35242), (670, 29456), (938, 21040), (1052, 18760), (1072, 18410), (1120, 17621), (1315, 15008), (1340, 14728), (1841, 10720), (1876, 10520), (2104, 9380), (2144, 9205), (2345, 8416), (2630, 7504), (2680, 7364), (3682, 5360), (3752, 5260), (4208, 4690)]