20180991752

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{4013}}^1$

素因数の和:4374

約数の個数: 64

約数和(自身を含む): 39975586560

約数和(自身を除く): 19794594808

約数列:

[1, 2, 4, 8, 23, 46, 92, 151, 181, 184, 302, 362, 604, 724, 1208, 1448, 3473, 4013, 4163, 6946, 8026, 8326, 13892, 16052, 16652, 27331, 27784, 32104, 33304, 54662, 92299, 109324, 184598, 218648, 369196, 605963, 628613, 726353, 738392, 1211926, 1257226, 1452706, 2423852, 2514452, 2905412, 4847704, 5028904, 5810824, 13937149, 16706119, 27874298, 33412238, 55748596, 66824476, 109679303, 111497192, 133648952, 219358606, 438717212, 877434424, 2522623969, 5045247938, 10090495876, 20180991752]

約数ペア:

[(1, 20180991752), (2, 10090495876), (4, 5045247938), (8, 2522623969), (23, 877434424), (46, 438717212), (92, 219358606), (151, 133648952), (181, 111497192), (184, 109679303), (302, 66824476), (362, 55748596), (604, 33412238), (724, 27874298), (1208, 16706119), (1448, 13937149), (3473, 5810824), (4013, 5028904), (4163, 4847704), (6946, 2905412), (8026, 2514452), (8326, 2423852), (13892, 1452706), (16052, 1257226), (16652, 1211926), (27331, 738392), (27784, 726353), (32104, 628613), (33304, 605963), (54662, 369196), (92299, 218648), (109324, 184598)]