18727727

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 20881152

約数和(自身を除く): 2153425

約数列:

[1, 17, 23, 211, 227, 391, 3587, 3859, 4853, 5221, 47897, 82501, 88757, 814249, 1101631, 18727727]

約数ペア:

[(1, 18727727), (17, 1101631), (23, 814249), (211, 88757), (227, 82501), (391, 47897), (3587, 5221), (3859, 4853)]