19845968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30253}}^1$

素因数の和:30302

約数の個数: 20

約数和(自身を含む): 39390708

約数和(自身を除く): 19544740

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30253, 60506, 121012, 242024, 484048, 1240373, 2480746, 4961492, 9922984, 19845968]

約数ペア:

[(1, 19845968), (2, 9922984), (4, 4961492), (8, 2480746), (16, 1240373), (41, 484048), (82, 242024), (164, 121012), (328, 60506), (656, 30253)]