20180976808

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{135283}}^1$

素因数の和:135961

約数の個数: 32

約数和(自身を含む): 39205303200

約数和(自身を除く): 19024326392

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 643, 1286, 2572, 5144, 18647, 37294, 74588, 135283, 149176, 270566, 541132, 1082264, 3923207, 7846414, 15692828, 31385656, 86986969, 173973938, 347947876, 695895752, 2522622101, 5045244202, 10090488404, 20180976808]

約数ペア:

[(1, 20180976808), (2, 10090488404), (4, 5045244202), (8, 2522622101), (29, 695895752), (58, 347947876), (116, 173973938), (232, 86986969), (643, 31385656), (1286, 15692828), (2572, 7846414), (5144, 3923207), (18647, 1082264), (37294, 541132), (74588, 270566), (135283, 149176)]