19961874688

素因数分解:

$2^8\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{10499}}^1$

素因数の和:11583

約数の個数: 72

約数和(自身を含む): 45585288000

約数和(自身を除く): 25623413312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1061, 1792, 2122, 4244, 7427, 8488, 10499, 14854, 16976, 20998, 29708, 33952, 41996, 59416, 67904, 73493, 83992, 118832, 135808, 146986, 167984, 237664, 271616, 293972, 335968, 475328, 587944, 671936, 950656, 1175888, 1343872, 1901312, 2351776, 2687744, 4703552, 9407104, 11139439, 18814208, 22278878, 44557756, 77976073, 89115512, 155952146, 178231024, 311904292, 356462048, 623808584, 712924096, 1247617168, 1425848192, 2495234336, 2851696384, 4990468672, 9980937344, 19961874688]

約数ペア:

[(1, 19961874688), (2, 9980937344), (4, 4990468672), (7, 2851696384), (8, 2495234336), (14, 1425848192), (16, 1247617168), (28, 712924096), (32, 623808584), (56, 356462048), (64, 311904292), (112, 178231024), (128, 155952146), (224, 89115512), (256, 77976073), (448, 44557756), (896, 22278878), (1061, 18814208), (1792, 11139439), (2122, 9407104), (4244, 4703552), (7427, 2687744), (8488, 2351776), (10499, 1901312), (14854, 1343872), (16976, 1175888), (20998, 950656), (29708, 671936), (33952, 587944), (41996, 475328), (59416, 335968), (67904, 293972), (73493, 271616), (83992, 237664), (118832, 167984), (135808, 146986)]