18991035

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{60289}}^1$

素因数の和:60307

約数の個数: 24

約数和(自身を含む): 37620960

約数和(自身を除く): 18629925

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 60289, 180867, 301445, 422023, 542601, 904335, 1266069, 2110115, 2713005, 3798207, 6330345, 18991035]

約数ペア:

[(1, 18991035), (3, 6330345), (5, 3798207), (7, 2713005), (9, 2110115), (15, 1266069), (21, 904335), (35, 542601), (45, 422023), (63, 301445), (105, 180867), (315, 60289)]