18087355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 26163648

約数和(自身を除く): 8076293

約数列:

[1, 5, 11, 13, 41, 55, 65, 143, 205, 451, 533, 617, 715, 2255, 2665, 3085, 5863, 6787, 8021, 25297, 29315, 33935, 40105, 88231, 126485, 278267, 328861, 441155, 1391335, 1644305, 3617471, 18087355]

約数ペア:

[(1, 18087355), (5, 3617471), (11, 1644305), (13, 1391335), (41, 441155), (55, 328861), (65, 278267), (143, 126485), (205, 88231), (451, 40105), (533, 33935), (617, 29315), (715, 25297), (2255, 8021), (2665, 6787), (3085, 5863)]