19640220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327337}}^1$

素因数の和:327349

約数の個数: 24

約数和(自身を含む): 54992784

約数和(自身を除く): 35352564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327337, 654674, 982011, 1309348, 1636685, 1964022, 3273370, 3928044, 4910055, 6546740, 9820110, 19640220]

約数ペア:

[(1, 19640220), (2, 9820110), (3, 6546740), (4, 4910055), (5, 3928044), (6, 3273370), (10, 1964022), (12, 1636685), (15, 1309348), (20, 982011), (30, 654674), (60, 327337)]