18915962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10247}}^1$

素因数の和:10333

約数の個数: 16

約数和(自身を含む): 30989952

約数和(自身を除く): 12073990

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10247, 20494, 133211, 266422, 727537, 1455074, 9457981, 18915962]

約数ペア:

[(1, 18915962), (2, 9457981), (13, 1455074), (26, 727537), (71, 266422), (142, 133211), (923, 20494), (1846, 10247)]