18308220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43591}}^1$

素因数の和:43610

約数の個数: 48

約数和(自身を含む): 58587648

約数和(自身を除く): 40279428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43591, 87182, 130773, 174364, 217955, 261546, 305137, 435910, 523092, 610274, 653865, 871820, 915411, 1220548, 1307730, 1525685, 1830822, 2615460, 3051370, 3661644, 4577055, 6102740, 9154110, 18308220]

約数ペア:

[(1, 18308220), (2, 9154110), (3, 6102740), (4, 4577055), (5, 3661644), (6, 3051370), (7, 2615460), (10, 1830822), (12, 1525685), (14, 1307730), (15, 1220548), (20, 915411), (21, 871820), (28, 653865), (30, 610274), (35, 523092), (42, 435910), (60, 305137), (70, 261546), (84, 217955), (105, 174364), (140, 130773), (210, 87182), (420, 43591)]