18639478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65173}}^1$

素因数の和:65199

約数の個数: 16

約数和(自身を含む): 32847696

約数和(自身を除く): 14208218

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 65173, 130346, 716903, 847249, 1433806, 1694498, 9319739, 18639478]

約数ペア:

[(1, 18639478), (2, 9319739), (11, 1694498), (13, 1433806), (22, 847249), (26, 716903), (143, 130346), (286, 65173)]