18974109

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{82139}}^1$

素因数の和:82160

約数の個数: 16

約数和(自身を含む): 31541760

約数和(自身を除く): 12567651

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 82139, 246417, 574973, 903529, 1724919, 2710587, 6324703, 18974109]

約数ペア:

[(1, 18974109), (3, 6324703), (7, 2710587), (11, 1724919), (21, 903529), (33, 574973), (77, 246417), (231, 82139)]