16920412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{887}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 31328640

約数和(自身を除く): 14408228

約数列:

[1, 2, 4, 19, 38, 76, 251, 502, 887, 1004, 1774, 3548, 4769, 9538, 16853, 19076, 33706, 67412, 222637, 445274, 890548, 4230103, 8460206, 16920412]

約数ペア:

[(1, 16920412), (2, 8460206), (4, 4230103), (19, 890548), (38, 445274), (76, 222637), (251, 67412), (502, 33706), (887, 19076), (1004, 16853), (1774, 9538), (3548, 4769)]