18982015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12697}}^1$

素因数の和:12738

約数の個数: 16

約数和(自身を含む): 25599168

約数和(自身を除く): 6617153

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 12697, 63485, 165061, 292031, 825305, 1460155, 3796403, 18982015]

約数ペア:

[(1, 18982015), (5, 3796403), (13, 1460155), (23, 825305), (65, 292031), (115, 165061), (299, 63485), (1495, 12697)]