19784128

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 112

約数和(自身を含む): 50068480

約数和(自身を除く): 30284352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 64, 79, 86, 91, 104, 112, 158, 172, 182, 208, 224, 301, 316, 344, 364, 416, 448, 553, 559, 602, 632, 688, 728, 832, 1027, 1106, 1118, 1204, 1264, 1376, 1456, 2054, 2212, 2236, 2408, 2528, 2752, 2912, 3397, 3913, 4108, 4424, 4472, 4816, 5056, 5824, 6794, 7189, 7826, 8216, 8848, 8944, 9632, 13588, 14378, 15652, 16432, 17696, 17888, 19264, 23779, 27176, 28756, 31304, 32864, 35392, 35776, 44161, 47558, 54352, 57512, 62608, 65728, 88322, 95116, 108704, 115024, 125216, 176644, 190232, 217408, 230048, 250432, 309127, 353288, 380464, 460096, 618254, 706576, 760928, 1236508, 1413152, 1521856, 2473016, 2826304, 4946032, 9892064, 19784128]

約数ペア:

[(1, 19784128), (2, 9892064), (4, 4946032), (7, 2826304), (8, 2473016), (13, 1521856), (14, 1413152), (16, 1236508), (26, 760928), (28, 706576), (32, 618254), (43, 460096), (52, 380464), (56, 353288), (64, 309127), (79, 250432), (86, 230048), (91, 217408), (104, 190232), (112, 176644), (158, 125216), (172, 115024), (182, 108704), (208, 95116), (224, 88322), (301, 65728), (316, 62608), (344, 57512), (364, 54352), (416, 47558), (448, 44161), (553, 35776), (559, 35392), (602, 32864), (632, 31304), (688, 28756), (728, 27176), (832, 23779), (1027, 19264), (1106, 17888), (1118, 17696), (1204, 16432), (1264, 15652), (1376, 14378), (1456, 13588), (2054, 9632), (2212, 8944), (2236, 8848), (2408, 8216), (2528, 7826), (2752, 7189), (2912, 6794), (3397, 5824), (3913, 5056), (4108, 4816), (4424, 4472)]