19219394878

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1\times {\mathrm{184777}}^1$

素因数の和:185307

約数の個数: 16

約数和(自身を含む): 29122491024

約数和(自身を除く): 9903096146

約数列:

[1, 2, 131, 262, 397, 794, 52007, 104014, 184777, 369554, 24205787, 48411574, 73356469, 146712938, 9609697439, 19219394878]

約数ペア:

[(1, 19219394878), (2, 9609697439), (131, 146712938), (262, 73356469), (397, 48411574), (794, 24205787), (52007, 369554), (104014, 184777)]