19966206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255977}}^1$

素因数の和:255995

約数の個数: 16

約数和(自身を含む): 43004304

約数和(自身を除く): 23038098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255977, 511954, 767931, 1535862, 3327701, 6655402, 9983103, 19966206]

約数ペア:

[(1, 19966206), (2, 9983103), (3, 6655402), (6, 3327701), (13, 1535862), (26, 767931), (39, 511954), (78, 255977)]