18812208128

素因数分解:

$2^{10}\times 7^1\times {\mathrm{29}}^1\times {\mathrm{90499}}^1$

素因数の和:90555

約数の個数: 88

約数和(自身を含む): 44460840000

約数和(自身を除く): 25648631872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 512, 812, 896, 928, 1024, 1624, 1792, 1856, 3248, 3584, 3712, 6496, 7168, 7424, 12992, 14848, 25984, 29696, 51968, 90499, 103936, 180998, 207872, 361996, 633493, 723992, 1266986, 1447984, 2533972, 2624471, 2895968, 5067944, 5248942, 5791936, 10135888, 10497884, 11583872, 18371297, 20271776, 20995768, 23167744, 36742594, 40543552, 41991536, 46335488, 73485188, 81087104, 83983072, 92670976, 146970376, 162174208, 167966144, 293940752, 324348416, 335932288, 587881504, 648696832, 671864576, 1175763008, 1343729152, 2351526016, 2687458304, 4703052032, 9406104064, 18812208128]

約数ペア:

[(1, 18812208128), (2, 9406104064), (4, 4703052032), (7, 2687458304), (8, 2351526016), (14, 1343729152), (16, 1175763008), (28, 671864576), (29, 648696832), (32, 587881504), (56, 335932288), (58, 324348416), (64, 293940752), (112, 167966144), (116, 162174208), (128, 146970376), (203, 92670976), (224, 83983072), (232, 81087104), (256, 73485188), (406, 46335488), (448, 41991536), (464, 40543552), (512, 36742594), (812, 23167744), (896, 20995768), (928, 20271776), (1024, 18371297), (1624, 11583872), (1792, 10497884), (1856, 10135888), (3248, 5791936), (3584, 5248942), (3712, 5067944), (6496, 2895968), (7168, 2624471), (7424, 2533972), (12992, 1447984), (14848, 1266986), (25984, 723992), (29696, 633493), (51968, 361996), (90499, 207872), (103936, 180998)]