18800821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 21297024

約数和(自身を除く): 2496203

約数列:

[1, 13, 23, 227, 277, 299, 2951, 3601, 5221, 6371, 62879, 67873, 82823, 817427, 1446217, 18800821]

約数ペア:

[(1, 18800821), (13, 1446217), (23, 817427), (227, 82823), (277, 67873), (299, 62879), (2951, 6371), (3601, 5221)]