19981860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333031}}^1$

素因数の和:333043

約数の個数: 24

約数和(自身を含む): 55949376

約数和(自身を除く): 35967516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333031, 666062, 999093, 1332124, 1665155, 1998186, 3330310, 3996372, 4995465, 6660620, 9990930, 19981860]

約数ペア:

[(1, 19981860), (2, 9990930), (3, 6660620), (4, 4995465), (5, 3996372), (6, 3330310), (10, 1998186), (12, 1665155), (15, 1332124), (20, 999093), (30, 666062), (60, 333031)]