18025901999

素因数分解:

$7^2\times {\mathrm{137}}^1\times {\mathrm{547}}^1\times {\mathrm{4909}}^1$

素因数の和:5607

約数の個数: 24

約数和(自身を含む): 21164888880

約数和(自身を除く): 3138986881

約数列:

[1, 7, 49, 137, 547, 959, 3829, 4909, 6713, 26803, 34363, 74939, 240541, 524573, 672533, 2685223, 3672011, 4707731, 18796561, 32954117, 131575927, 367875551, 2575128857, 18025901999]

約数ペア:

[(1, 18025901999), (7, 2575128857), (49, 367875551), (137, 131575927), (547, 32954117), (959, 18796561), (3829, 4707731), (4909, 3672011), (6713, 2685223), (26803, 672533), (34363, 524573), (74939, 240541)]