2018181891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{19709}}^1$

素因数の和:19859

約数の個数: 32

約数和(自身を含む): 3065299200

約数和(自身を除く): 1047117309

約数列:

[1, 3, 11, 29, 33, 87, 107, 319, 321, 957, 1177, 3103, 3531, 9309, 19709, 34133, 59127, 102399, 216799, 571561, 650397, 1714683, 2108863, 6287171, 6326589, 18861513, 23197493, 61157027, 69592479, 183471081, 672727297, 2018181891]

約数ペア:

[(1, 2018181891), (3, 672727297), (11, 183471081), (29, 69592479), (33, 61157027), (87, 23197493), (107, 18861513), (319, 6326589), (321, 6287171), (957, 2108863), (1177, 1714683), (3103, 650397), (3531, 571561), (9309, 216799), (19709, 102399), (34133, 59127)]