19988342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47819}}^1$

素因数の和:47851

約数の個数: 16

約数和(自身を含む): 34430400

約数和(自身を除く): 14442058

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47819, 95638, 526009, 908561, 1052018, 1817122, 9994171, 19988342]

約数ペア:

[(1, 19988342), (2, 9994171), (11, 1817122), (19, 1052018), (22, 908561), (38, 526009), (209, 95638), (418, 47819)]