18720389632

素因数分解:

$2^9\times 7^2\times {\mathrm{23}}^1\times {\mathrm{32443}}^1$

素因数の和:32498

約数の個数: 120

約数和(自身を含む): 45404210016

約数和(自身を除く): 26683820384

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 256, 322, 368, 392, 448, 512, 644, 736, 784, 896, 1127, 1288, 1472, 1568, 1792, 2254, 2576, 2944, 3136, 3584, 4508, 5152, 5888, 6272, 9016, 10304, 11776, 12544, 18032, 20608, 25088, 32443, 36064, 41216, 64886, 72128, 82432, 129772, 144256, 227101, 259544, 288512, 454202, 519088, 577024, 746189, 908404, 1038176, 1492378, 1589707, 1816808, 2076352, 2984756, 3179414, 3633616, 4152704, 5223323, 5969512, 6358828, 7267232, 8305408, 10446646, 11939024, 12717656, 14534464, 16610816, 20893292, 23878048, 25435312, 29068928, 36563261, 41786584, 47756096, 50870624, 58137856, 73126522, 83573168, 95512192, 101741248, 116275712, 146253044, 167146336, 191024384, 203482496, 292506088, 334292672, 382048768, 406964992, 585012176, 668585344, 813929984, 1170024352, 1337170688, 2340048704, 2674341376, 4680097408, 9360194816, 18720389632]

約数ペア:

[(1, 18720389632), (2, 9360194816), (4, 4680097408), (7, 2674341376), (8, 2340048704), (14, 1337170688), (16, 1170024352), (23, 813929984), (28, 668585344), (32, 585012176), (46, 406964992), (49, 382048768), (56, 334292672), (64, 292506088), (92, 203482496), (98, 191024384), (112, 167146336), (128, 146253044), (161, 116275712), (184, 101741248), (196, 95512192), (224, 83573168), (256, 73126522), (322, 58137856), (368, 50870624), (392, 47756096), (448, 41786584), (512, 36563261), (644, 29068928), (736, 25435312), (784, 23878048), (896, 20893292), (1127, 16610816), (1288, 14534464), (1472, 12717656), (1568, 11939024), (1792, 10446646), (2254, 8305408), (2576, 7267232), (2944, 6358828), (3136, 5969512), (3584, 5223323), (4508, 4152704), (5152, 3633616), (5888, 3179414), (6272, 2984756), (9016, 2076352), (10304, 1816808), (11776, 1589707), (12544, 1492378), (18032, 1038176), (20608, 908404), (25088, 746189), (32443, 577024), (36064, 519088), (41216, 454202), (64886, 288512), (72128, 259544), (82432, 227101), (129772, 144256)]