12906928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42457}}^1$

素因数の和:42484

約数の個数: 20

約数和(自身を含む): 26323960

約数和(自身を除く): 13417032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42457, 84914, 169828, 339656, 679312, 806683, 1613366, 3226732, 6453464, 12906928]

約数ペア:

[(1, 12906928), (2, 6453464), (4, 3226732), (8, 1613366), (16, 806683), (19, 679312), (38, 339656), (76, 169828), (152, 84914), (304, 42457)]