18673526

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:667

約数の個数: 16

約数和(自身を含む): 28435968

約数和(自身を除く): 9762442

約数列:

[1, 2, 131, 262, 263, 271, 526, 542, 34453, 35501, 68906, 71002, 71273, 142546, 9336763, 18673526]

約数ペア:

[(1, 18673526), (2, 9336763), (131, 142546), (262, 71273), (263, 71002), (271, 68906), (526, 35501), (542, 34453)]