2156236489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{20269}}^1$

素因数の和:20808

約数の個数: 16

約数和(自身を含む): 2481048000

約数和(自身を除く): 324811511

約数列:

[1, 11, 19, 209, 509, 5599, 9671, 20269, 106381, 222959, 385111, 4236221, 10316921, 113486131, 196021499, 2156236489]

約数ペア:

[(1, 2156236489), (11, 196021499), (19, 113486131), (209, 10316921), (509, 4236221), (5599, 385111), (9671, 222959), (20269, 106381)]