18545981

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 20176128

約数和(自身を除く): 1630147

約数列:

[1, 23, 41, 71, 277, 943, 1633, 2911, 6371, 11357, 19667, 66953, 261211, 452341, 806347, 18545981]

約数ペア:

[(1, 18545981), (23, 806347), (41, 452341), (71, 261211), (277, 66953), (943, 19667), (1633, 11357), (2911, 6371)]