18769418

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1009}}^1$

素因数の和:1213

約数の個数: 16

約数和(自身を含む): 28797120

約数和(自身を除く): 10027702

約数列:

[1, 2, 71, 131, 142, 262, 1009, 2018, 9301, 18602, 71639, 132179, 143278, 264358, 9384709, 18769418]

約数ペア:

[(1, 18769418), (2, 9384709), (71, 264358), (131, 143278), (142, 132179), (262, 71639), (1009, 18602), (2018, 9301)]