218996866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{17681}}^1$

素因数の和:18257

約数の個数: 16

約数和(自身を含む): 359015328

約数和(自身を除く): 140018462

約数列:

[1, 2, 11, 22, 563, 1126, 6193, 12386, 17681, 35362, 194491, 388982, 9954403, 19908806, 109498433, 218996866]

約数ペア:

[(1, 218996866), (2, 109498433), (11, 19908806), (22, 9954403), (563, 388982), (1126, 194491), (6193, 35362), (12386, 17681)]