18667264

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 46505088

約数和(自身を除く): 27837824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 947, 1232, 1408, 1792, 1894, 2464, 2816, 3788, 4928, 6629, 7576, 9856, 10417, 13258, 15152, 19712, 20834, 26516, 30304, 41668, 53032, 60608, 72919, 83336, 106064, 121216, 145838, 166672, 212128, 242432, 291676, 333344, 424256, 583352, 666688, 848512, 1166704, 1333376, 1697024, 2333408, 2666752, 4666816, 9333632, 18667264]

約数ペア:

[(1, 18667264), (2, 9333632), (4, 4666816), (7, 2666752), (8, 2333408), (11, 1697024), (14, 1333376), (16, 1166704), (22, 848512), (28, 666688), (32, 583352), (44, 424256), (56, 333344), (64, 291676), (77, 242432), (88, 212128), (112, 166672), (128, 145838), (154, 121216), (176, 106064), (224, 83336), (256, 72919), (308, 60608), (352, 53032), (448, 41668), (616, 30304), (704, 26516), (896, 20834), (947, 19712), (1232, 15152), (1408, 13258), (1792, 10417), (1894, 9856), (2464, 7576), (2816, 6629), (3788, 4928)]