18885469827

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1662307}}^1$

素因数の和:1662858

約数の個数: 16

約数和(自身を含む): 28831069952

約数和(自身を除く): 9945600125

約数列:

[1, 3, 7, 21, 541, 1623, 3787, 11361, 1662307, 4986921, 11636149, 34908447, 899308087, 2697924261, 6295156609, 18885469827]

約数ペア:

[(1, 18885469827), (3, 6295156609), (7, 2697924261), (21, 899308087), (541, 34908447), (1623, 11636149), (3787, 4986921), (11361, 1662307)]