18515965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2243}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 24127488

約数和(自身を除く): 5611523

約数列:

[1, 5, 13, 65, 127, 635, 1651, 2243, 8255, 11215, 29159, 145795, 284861, 1424305, 3703193, 18515965]

約数ペア:

[(1, 18515965), (5, 3703193), (13, 1424305), (65, 284861), (127, 145795), (635, 29159), (1651, 11215), (2243, 8255)]