18765226

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1269

約数の個数: 16

約数和(自身を含む): 28812960

約数和(自身を除く): 10047734

約数列:

[1, 2, 67, 131, 134, 262, 1069, 2138, 8777, 17554, 71623, 140039, 143246, 280078, 9382613, 18765226]

約数ペア:

[(1, 18765226), (2, 9382613), (67, 280078), (131, 143246), (134, 140039), (262, 71623), (1069, 17554), (2138, 8777)]