18800220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{727}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 34035108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 727, 862, 1293, 1454, 1724, 2155, 2181, 2586, 2908, 3635, 4310, 4362, 5172, 6465, 7270, 8620, 8724, 10905, 12930, 14540, 21810, 25860, 43620, 313337, 626674, 940011, 1253348, 1566685, 1880022, 3133370, 3760044, 4700055, 6266740, 9400110, 18800220]

約数ペア:

[(1, 18800220), (2, 9400110), (3, 6266740), (4, 4700055), (5, 3760044), (6, 3133370), (10, 1880022), (12, 1566685), (15, 1253348), (20, 940011), (30, 626674), (60, 313337), (431, 43620), (727, 25860), (862, 21810), (1293, 14540), (1454, 12930), (1724, 10905), (2155, 8724), (2181, 8620), (2586, 7270), (2908, 6465), (3635, 5172), (4310, 4362)]