2181045986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{62591}}^1$

素因数の和:62750

約数の個数: 32

約数和(自身を含む): 3965829120

約数和(自身を除く): 1784783134

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 917, 1834, 2489, 4978, 17423, 34846, 62591, 125182, 438137, 876274, 1189229, 2378458, 8199421, 8324603, 16398842, 16649206, 57395947, 114791894, 155788999, 311577998, 1090522993, 2181045986]

約数ペア:

[(1, 2181045986), (2, 1090522993), (7, 311577998), (14, 155788999), (19, 114791894), (38, 57395947), (131, 16649206), (133, 16398842), (262, 8324603), (266, 8199421), (917, 2378458), (1834, 1189229), (2489, 876274), (4978, 438137), (17423, 125182), (34846, 62591)]