17987645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2179}}^1$

素因数の和:2324

約数の個数: 16

約数和(自身を含む): 23439360

約数和(自身を除く): 5451715

約数列:

[1, 5, 13, 65, 127, 635, 1651, 2179, 8255, 10895, 28327, 141635, 276733, 1383665, 3597529, 17987645]

約数ペア:

[(1, 17987645), (5, 3597529), (13, 1383665), (65, 276733), (127, 141635), (635, 28327), (1651, 10895), (2179, 8255)]