18928715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2293}}^1$

素因数の和:2438

約数の個数: 16

約数和(自身を含む): 24665088

約数和(自身を除く): 5736373

約数列:

[1, 5, 13, 65, 127, 635, 1651, 2293, 8255, 11465, 29809, 149045, 291211, 1456055, 3785743, 18928715]

約数ペア:

[(1, 18928715), (5, 3785743), (13, 1456055), (65, 291211), (127, 149045), (635, 29809), (1651, 11465), (2293, 8255)]