19645980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327433}}^1$

素因数の和:327445

約数の個数: 24

約数和(自身を含む): 55008912

約数和(自身を除く): 35362932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327433, 654866, 982299, 1309732, 1637165, 1964598, 3274330, 3929196, 4911495, 6548660, 9822990, 19645980]

約数ペア:

[(1, 19645980), (2, 9822990), (3, 6548660), (4, 4911495), (5, 3929196), (6, 3274330), (10, 1964598), (12, 1637165), (15, 1309732), (20, 982299), (30, 654866), (60, 327433)]