18977771239

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1305301}}^1$

素因数の和:1305406

約数の個数: 16

約数和(自身を含む): 22722697216

約数和(自身を除く): 3744925977

約数列:

[1, 7, 31, 67, 217, 469, 2077, 14539, 1305301, 9137107, 40464331, 87455167, 283250317, 612186169, 2711110177, 18977771239]

約数ペア:

[(1, 18977771239), (7, 2711110177), (31, 612186169), (67, 283250317), (217, 87455167), (469, 40464331), (2077, 9137107), (14539, 1305301)]