18409869

素因数分解:

$3^3\times {\mathrm{307}}^1\times {\mathrm{2221}}^1$

素因数の和:2537

約数の個数: 16

約数和(自身を含む): 27375040

約数和(自身を除く): 8965171

約数列:

[1, 3, 9, 27, 307, 921, 2221, 2763, 6663, 8289, 19989, 59967, 681847, 2045541, 6136623, 18409869]

約数ペア:

[(1, 18409869), (3, 6136623), (9, 2045541), (27, 681847), (307, 59967), (921, 19989), (2221, 8289), (2763, 6663)]