18839015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2659}}^1$

素因数の和:2786

約数の個数: 16

約数和(自身を含む): 24578400

約数和(自身を除く): 5739385

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2659, 7085, 13295, 34567, 172835, 289831, 1449155, 3767803, 18839015]

約数ペア:

[(1, 18839015), (5, 3767803), (13, 1449155), (65, 289831), (109, 172835), (545, 34567), (1417, 13295), (2659, 7085)]