18990055

素因数分解:

$5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2017}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 26153280

約数和(自身を除く): 7163225

約数列:

[1, 5, 7, 35, 269, 1345, 1883, 2017, 9415, 10085, 14119, 70595, 542573, 2712865, 3798011, 18990055]

約数ペア:

[(1, 18990055), (5, 3798011), (7, 2712865), (35, 542573), (269, 70595), (1345, 14119), (1883, 10085), (2017, 9415)]