18901663516

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{10666853}}^1$

素因数の和:10667300

約数の個数: 12

約数和(自身を含む): 33152582232

約数和(自身を除く): 14250918716

約数列:

[1, 2, 4, 443, 886, 1772, 10666853, 21333706, 42667412, 4725415879, 9450831758, 18901663516]

約数ペア:

[(1, 18901663516), (2, 9450831758), (4, 4725415879), (443, 42667412), (886, 21333706), (1772, 10666853)]