2019903175

素因数分解:

$5^2\times {\mathrm{641}}^1\times {\mathrm{126047}}^1$

素因数の和:126698

約数の個数: 12

約数和(自身を含む): 2508607296

約数和(自身を除く): 488704121

約数列:

[1, 5, 25, 641, 3205, 16025, 126047, 630235, 3151175, 80796127, 403980635, 2019903175]

約数ペア:

[(1, 2019903175), (5, 403980635), (25, 80796127), (641, 3151175), (3205, 630235), (16025, 126047)]