18895072

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 24287648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1259, 1876, 2144, 2518, 3752, 5036, 7504, 8813, 10072, 15008, 17626, 20144, 35252, 40288, 70504, 84353, 141008, 168706, 282016, 337412, 590471, 674824, 1180942, 1349648, 2361884, 2699296, 4723768, 9447536, 18895072]

約数ペア:

[(1, 18895072), (2, 9447536), (4, 4723768), (7, 2699296), (8, 2361884), (14, 1349648), (16, 1180942), (28, 674824), (32, 590471), (56, 337412), (67, 282016), (112, 168706), (134, 141008), (224, 84353), (268, 70504), (469, 40288), (536, 35252), (938, 20144), (1072, 17626), (1259, 15008), (1876, 10072), (2144, 8813), (2518, 7504), (3752, 5036)]