12981104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42701}}^1$

素因数の和:42728

約数の個数: 20

約数和(自身を含む): 26475240

約数和(自身を除く): 13494136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42701, 85402, 170804, 341608, 683216, 811319, 1622638, 3245276, 6490552, 12981104]

約数ペア:

[(1, 12981104), (2, 6490552), (4, 3245276), (8, 1622638), (16, 811319), (19, 683216), (38, 341608), (76, 170804), (152, 85402), (304, 42701)]