1820349718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{128683}}^1$

素因数の和:129339

約数の個数: 16

約数和(自身を含む): 2983409856

約数和(自身を除く): 1163060138

約数列:

[1, 2, 11, 22, 643, 1286, 7073, 14146, 128683, 257366, 1415513, 2831026, 82743169, 165486338, 910174859, 1820349718]

約数ペア:

[(1, 1820349718), (2, 910174859), (11, 165486338), (22, 82743169), (643, 2831026), (1286, 1415513), (7073, 257366), (14146, 128683)]