18468736

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 43268400

約数和(自身を除く): 24799664

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1009, 1144, 1408, 1664, 2018, 2288, 4036, 4576, 8072, 9152, 11099, 13117, 16144, 18304, 22198, 26234, 32288, 44396, 52468, 64576, 88792, 104936, 129152, 144287, 177584, 209872, 288574, 355168, 419744, 577148, 710336, 839488, 1154296, 1420672, 1678976, 2308592, 4617184, 9234368, 18468736]

約数ペア:

[(1, 18468736), (2, 9234368), (4, 4617184), (8, 2308592), (11, 1678976), (13, 1420672), (16, 1154296), (22, 839488), (26, 710336), (32, 577148), (44, 419744), (52, 355168), (64, 288574), (88, 209872), (104, 177584), (128, 144287), (143, 129152), (176, 104936), (208, 88792), (286, 64576), (352, 52468), (416, 44396), (572, 32288), (704, 26234), (832, 22198), (1009, 18304), (1144, 16144), (1408, 13117), (1664, 11099), (2018, 9152), (2288, 8072), (4036, 4576)]