19131780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{318863}}^1$

素因数の和:318875

約数の個数: 24

約数和(自身を含む): 53569152

約数和(自身を除く): 34437372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 318863, 637726, 956589, 1275452, 1594315, 1913178, 3188630, 3826356, 4782945, 6377260, 9565890, 19131780]

約数ペア:

[(1, 19131780), (2, 9565890), (3, 6377260), (4, 4782945), (5, 3826356), (6, 3188630), (10, 1913178), (12, 1594315), (15, 1275452), (20, 956589), (30, 637726), (60, 318863)]