18887810

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4133}}^1$

素因数の和:4597

約数の個数: 16

約数和(自身を含む): 34080696

約数和(自身を除く): 15192886

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4133, 4570, 8266, 20665, 41330, 1888781, 3777562, 9443905, 18887810]

約数ペア:

[(1, 18887810), (2, 9443905), (5, 3777562), (10, 1888781), (457, 41330), (914, 20665), (2285, 8266), (4133, 4570)]