19910002

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7219}}^1$

素因数の和:7425

約数の個数: 16

約数和(自身を含む): 34309440

約数和(自身を除く): 14399438

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 7219, 14438, 50533, 101066, 1422143, 2844286, 9955001, 19910002]

約数ペア:

[(1, 19910002), (2, 9955001), (7, 2844286), (14, 1422143), (197, 101066), (394, 50533), (1379, 14438), (2758, 7219)]