18950827

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3797}}^1$

素因数の和:3858

約数の個数: 16

約数和(自身を含む): 23334912

約数和(自身を除く): 4384085

約数列:

[1, 7, 23, 31, 161, 217, 713, 3797, 4991, 26579, 87331, 117707, 611317, 823949, 2707261, 18950827]

約数ペア:

[(1, 18950827), (7, 2707261), (23, 823949), (31, 611317), (161, 117707), (217, 87331), (713, 26579), (3797, 4991)]