17998740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{33331}}^1$

素因数の和:33349

約数の個数: 48

約数和(自身を含む): 55997760

約数和(自身を除く): 37999020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 33331, 66662, 99993, 133324, 166655, 199986, 299979, 333310, 399972, 499965, 599958, 666620, 899937, 999930, 1199916, 1499895, 1799874, 1999860, 2999790, 3599748, 4499685, 5999580, 8999370, 17998740]

約数ペア:

[(1, 17998740), (2, 8999370), (3, 5999580), (4, 4499685), (5, 3599748), (6, 2999790), (9, 1999860), (10, 1799874), (12, 1499895), (15, 1199916), (18, 999930), (20, 899937), (27, 666620), (30, 599958), (36, 499965), (45, 399972), (54, 333310), (60, 299979), (90, 199986), (108, 166655), (135, 133324), (180, 99993), (270, 66662), (540, 33331)]