19687952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64763}}^1$

素因数の和:64790

約数の個数: 20

約数和(自身を含む): 40153680

約数和(自身を除く): 20465728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64763, 129526, 259052, 518104, 1036208, 1230497, 2460994, 4921988, 9843976, 19687952]

約数ペア:

[(1, 19687952), (2, 9843976), (4, 4921988), (8, 2460994), (16, 1230497), (19, 1036208), (38, 518104), (76, 259052), (152, 129526), (304, 64763)]