18647326

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:927

約数の個数: 16

約数和(自身を含む): 28499328

約数和(自身を除く): 9852002

約数列:

[1, 2, 103, 131, 206, 262, 691, 1382, 13493, 26986, 71173, 90521, 142346, 181042, 9323663, 18647326]

約数ペア:

[(1, 18647326), (2, 9323663), (103, 181042), (131, 142346), (206, 90521), (262, 71173), (691, 26986), (1382, 13493)]