19973104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65701}}^1$

素因数の和:65728

約数の個数: 20

約数和(自身を含む): 40735240

約数和(自身を除く): 20762136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65701, 131402, 262804, 525608, 1051216, 1248319, 2496638, 4993276, 9986552, 19973104]

約数ペア:

[(1, 19973104), (2, 9986552), (4, 4993276), (8, 2496638), (16, 1248319), (19, 1051216), (38, 525608), (76, 262804), (152, 131402), (304, 65701)]