18000420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{300007}}^1$

素因数の和:300019

約数の個数: 24

約数和(自身を含む): 50401344

約数和(自身を除く): 32400924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 300007, 600014, 900021, 1200028, 1500035, 1800042, 3000070, 3600084, 4500105, 6000140, 9000210, 18000420]

約数ペア:

[(1, 18000420), (2, 9000210), (3, 6000140), (4, 4500105), (5, 3600084), (6, 3000070), (10, 1800042), (12, 1500035), (15, 1200028), (20, 900021), (30, 600014), (60, 300007)]