21968218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1847}}^1$

素因数の和:2181

約数の個数: 16

約数和(自身を含む): 34816320

約数和(自身を除く): 12848102

約数列:

[1, 2, 19, 38, 313, 626, 1847, 3694, 5947, 11894, 35093, 70186, 578111, 1156222, 10984109, 21968218]

約数ペア:

[(1, 21968218), (2, 10984109), (19, 1156222), (38, 578111), (313, 70186), (626, 35093), (1847, 11894), (3694, 5947)]