18942317

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 1586323

約数列:

[1, 23, 43, 107, 179, 989, 2461, 4117, 4601, 7697, 19153, 105823, 177031, 440519, 823579, 18942317]

約数ペア:

[(1, 18942317), (23, 823579), (43, 440519), (107, 177031), (179, 105823), (989, 19153), (2461, 7697), (4117, 4601)]