18938922

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{4909}}^1$

素因数の和:5557

約数の個数: 16

約数和(自身を含む): 37944480

約数和(自身を除く): 19005558

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 4909, 9818, 14727, 29454, 3156487, 6312974, 9469461, 18938922]

約数ペア:

[(1, 18938922), (2, 9469461), (3, 6312974), (6, 3156487), (643, 29454), (1286, 14727), (1929, 9818), (3858, 4909)]