18348580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4657}}^1$

素因数の和:4863

約数の個数: 24

約数和(自身を含む): 38735928

約数和(自身を除く): 20387348

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4657, 9314, 18628, 23285, 46570, 93140, 917429, 1834858, 3669716, 4587145, 9174290, 18348580]

約数ペア:

[(1, 18348580), (2, 9174290), (4, 4587145), (5, 3669716), (10, 1834858), (20, 917429), (197, 93140), (394, 46570), (788, 23285), (985, 18628), (1970, 9314), (3940, 4657)]