18965968

素因数分解:

$2^4\times 7^1\times {\mathrm{169339}}^1$

素因数の和:169354

約数の個数: 20

約数和(自身を含む): 41996320

約数和(自身を除く): 23030352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169339, 338678, 677356, 1185373, 1354712, 2370746, 2709424, 4741492, 9482984, 18965968]

約数ペア:

[(1, 18965968), (2, 9482984), (4, 4741492), (7, 2709424), (8, 2370746), (14, 1354712), (16, 1185373), (28, 677356), (56, 338678), (112, 169339)]