18321780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{305363}}^1$

素因数の和:305375

約数の個数: 24

約数和(自身を含む): 51301152

約数和(自身を除く): 32979372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 305363, 610726, 916089, 1221452, 1526815, 1832178, 3053630, 3664356, 4580445, 6107260, 9160890, 18321780]

約数ペア:

[(1, 18321780), (2, 9160890), (3, 6107260), (4, 4580445), (5, 3664356), (6, 3053630), (10, 1832178), (12, 1526815), (15, 1221452), (20, 916089), (30, 610726), (60, 305363)]