19212032

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 44739072

約数和(自身を除く): 25527040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 151, 224, 256, 284, 302, 448, 497, 568, 604, 896, 994, 1057, 1136, 1208, 1792, 1988, 2114, 2272, 2416, 3976, 4228, 4544, 4832, 7952, 8456, 9088, 9664, 10721, 15904, 16912, 18176, 19328, 21442, 31808, 33824, 38656, 42884, 63616, 67648, 75047, 85768, 127232, 135296, 150094, 171536, 270592, 300188, 343072, 600376, 686144, 1200752, 1372288, 2401504, 2744576, 4803008, 9606016, 19212032]

約数ペア:

[(1, 19212032), (2, 9606016), (4, 4803008), (7, 2744576), (8, 2401504), (14, 1372288), (16, 1200752), (28, 686144), (32, 600376), (56, 343072), (64, 300188), (71, 270592), (112, 171536), (128, 150094), (142, 135296), (151, 127232), (224, 85768), (256, 75047), (284, 67648), (302, 63616), (448, 42884), (497, 38656), (568, 33824), (604, 31808), (896, 21442), (994, 19328), (1057, 18176), (1136, 16912), (1208, 15904), (1792, 10721), (1988, 9664), (2114, 9088), (2272, 8456), (2416, 7952), (3976, 4832), (4228, 4544)]