18952687

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 2336273

約数列:

[1, 13, 31, 131, 359, 403, 1703, 4061, 4667, 11129, 47029, 52793, 144677, 611377, 1457899, 18952687]

約数ペア:

[(1, 18952687), (13, 1457899), (31, 611377), (131, 144677), (359, 52793), (403, 47029), (1703, 11129), (4061, 4667)]