18237260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53639}}^1$

素因数の和:53665

約数の個数: 24

約数和(自身を含む): 40551840

約数和(自身を除く): 22314580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53639, 107278, 214556, 268195, 536390, 911863, 1072780, 1823726, 3647452, 4559315, 9118630, 18237260]

約数ペア:

[(1, 18237260), (2, 9118630), (4, 4559315), (5, 3647452), (10, 1823726), (17, 1072780), (20, 911863), (34, 536390), (68, 268195), (85, 214556), (170, 107278), (340, 53639)]