19858432

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 88

約数和(自身を含む): 45394272

約数和(自身を除く): 25535840

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 43, 44, 64, 82, 86, 88, 128, 164, 172, 176, 256, 328, 344, 352, 451, 473, 512, 656, 688, 704, 902, 946, 1024, 1312, 1376, 1408, 1763, 1804, 1892, 2624, 2752, 2816, 3526, 3608, 3784, 5248, 5504, 5632, 7052, 7216, 7568, 10496, 11008, 11264, 14104, 14432, 15136, 19393, 20992, 22016, 28208, 28864, 30272, 38786, 41984, 44032, 56416, 57728, 60544, 77572, 112832, 115456, 121088, 155144, 225664, 230912, 242176, 310288, 451328, 461824, 484352, 620576, 902656, 1241152, 1805312, 2482304, 4964608, 9929216, 19858432]

約数ペア:

[(1, 19858432), (2, 9929216), (4, 4964608), (8, 2482304), (11, 1805312), (16, 1241152), (22, 902656), (32, 620576), (41, 484352), (43, 461824), (44, 451328), (64, 310288), (82, 242176), (86, 230912), (88, 225664), (128, 155144), (164, 121088), (172, 115456), (176, 112832), (256, 77572), (328, 60544), (344, 57728), (352, 56416), (451, 44032), (473, 41984), (512, 38786), (656, 30272), (688, 28864), (704, 28208), (902, 22016), (946, 20992), (1024, 19393), (1312, 15136), (1376, 14432), (1408, 14104), (1763, 11264), (1804, 11008), (1892, 10496), (2624, 7568), (2752, 7216), (2816, 7052), (3526, 5632), (3608, 5504), (3784, 5248)]