18985787

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 21358080

約数和(自身を除く): 2372293

約数列:

[1, 17, 23, 59, 391, 823, 1003, 1357, 13991, 18929, 23069, 48557, 321793, 825469, 1116811, 18985787]

約数ペア:

[(1, 18985787), (17, 1116811), (23, 825469), (59, 321793), (391, 48557), (823, 23069), (1003, 18929), (1357, 13991)]