18242861

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{653}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 22560384

約数和(自身を除く): 4317523

約数列:

[1, 7, 13, 91, 307, 653, 2149, 3991, 4571, 8489, 27937, 59423, 200471, 1403297, 2606123, 18242861]

約数ペア:

[(1, 18242861), (7, 2606123), (13, 1403297), (91, 200471), (307, 59423), (653, 27937), (2149, 8489), (3991, 4571)]