19185990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{639533}}^1$

素因数の和:639543

約数の個数: 16

約数和(自身を含む): 46046448

約数和(自身を除く): 26860458

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 639533, 1279066, 1918599, 3197665, 3837198, 6395330, 9592995, 19185990]

約数ペア:

[(1, 19185990), (2, 9592995), (3, 6395330), (5, 3837198), (6, 3197665), (10, 1918599), (15, 1279066), (30, 639533)]