23439728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{112691}}^1$

素因数の和:112712

約数の個数: 20

約数和(自身を含む): 48908328

約数和(自身を除く): 25468600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 112691, 225382, 450764, 901528, 1464983, 1803056, 2929966, 5859932, 11719864, 23439728]

約数ペア:

[(1, 23439728), (2, 11719864), (4, 5859932), (8, 2929966), (13, 1803056), (16, 1464983), (26, 901528), (52, 450764), (104, 225382), (208, 112691)]