18904413

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{24907}}^1$

素因数の和:24944

約数の個数: 16

約数和(自身を含む): 28694016

約数和(自身を除く): 9789603

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 24907, 74721, 273977, 572861, 821931, 1718583, 6301471, 18904413]

約数ペア:

[(1, 18904413), (3, 6301471), (11, 1718583), (23, 821931), (33, 572861), (69, 273977), (253, 74721), (759, 24907)]