18482540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4691}}^1$

素因数の和:4897

約数の個数: 24

約数和(自身を含む): 39018672

約数和(自身を除く): 20536132

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4691, 9382, 18764, 23455, 46910, 93820, 924127, 1848254, 3696508, 4620635, 9241270, 18482540]

約数ペア:

[(1, 18482540), (2, 9241270), (4, 4620635), (5, 3696508), (10, 1848254), (20, 924127), (197, 93820), (394, 46910), (788, 23455), (985, 18764), (1970, 9382), (3940, 4691)]