19389638

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1321}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 29982960

約数和(自身を除く): 10593322

約数列:

[1, 2, 41, 82, 179, 358, 1321, 2642, 7339, 14678, 54161, 108322, 236459, 472918, 9694819, 19389638]

約数ペア:

[(1, 19389638), (2, 9694819), (41, 472918), (82, 236459), (179, 108322), (358, 54161), (1321, 14678), (2642, 7339)]