18556161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{977}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 26726784

約数和(自身を除く): 8170623

約数列:

[1, 3, 13, 39, 487, 977, 1461, 2931, 6331, 12701, 18993, 38103, 475799, 1427397, 6185387, 18556161]

約数ペア:

[(1, 18556161), (3, 6185387), (13, 1427397), (39, 475799), (487, 38103), (977, 18993), (1461, 12701), (2931, 6331)]