19222620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320377}}^1$

素因数の和:320389

約数の個数: 24

約数和(自身を含む): 53823504

約数和(自身を除く): 34600884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320377, 640754, 961131, 1281508, 1601885, 1922262, 3203770, 3844524, 4805655, 6407540, 9611310, 19222620]

約数ペア:

[(1, 19222620), (2, 9611310), (3, 6407540), (4, 4805655), (5, 3844524), (6, 3203770), (10, 1922262), (12, 1601885), (15, 1281508), (20, 961131), (30, 640754), (60, 320377)]