19878202

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4463}}^1$

素因数の和:4613

約数の個数: 16

約数和(自身を含む): 31819392

約数和(自身を除く): 11941190

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4463, 8926, 75871, 151742, 584653, 1169306, 9939101, 19878202]

約数ペア:

[(1, 19878202), (2, 9939101), (17, 1169306), (34, 584653), (131, 151742), (262, 75871), (2227, 8926), (4454, 4463)]