2019807916

素因数分解:

$2^2\times 7^1\times {\mathrm{72135997}}^1$

素因数の和:72136008

約数の個数: 12

約数和(自身を含む): 4039615888

約数和(自身を除く): 2019807972

約数列:

[1, 2, 4, 7, 14, 28, 72135997, 144271994, 288543988, 504951979, 1009903958, 2019807916]

約数ペア:

[(1, 2019807916), (2, 1009903958), (4, 504951979), (7, 288543988), (14, 144271994), (28, 72135997)]