18884260

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6337}}^1$

素因数の和:6495

約数の個数: 24

約数和(自身を含む): 39929400

約数和(自身を除く): 21045140

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6337, 12674, 25348, 31685, 63370, 126740, 944213, 1888426, 3776852, 4721065, 9442130, 18884260]

約数ペア:

[(1, 18884260), (2, 9442130), (4, 4721065), (5, 3776852), (10, 1888426), (20, 944213), (149, 126740), (298, 63370), (596, 31685), (745, 25348), (1490, 12674), (2980, 6337)]