18868906

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2039}}^1$

素因数の和:2709

約数の個数: 16

約数和(自身を含む): 32411520

約数和(自身を除く): 13542614

約数列:

[1, 2, 7, 14, 661, 1322, 2039, 4078, 4627, 9254, 14273, 28546, 1347779, 2695558, 9434453, 18868906]

約数ペア:

[(1, 18868906), (2, 9434453), (7, 2695558), (14, 1347779), (661, 28546), (1322, 14273), (2039, 9254), (4078, 4627)]