18679703

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 22448640

約数和(自身を除く): 3768937

約数列:

[1, 7, 23, 157, 161, 739, 1099, 3611, 5173, 16997, 25277, 116023, 118979, 812161, 2668529, 18679703]

約数ペア:

[(1, 18679703), (7, 2668529), (23, 812161), (157, 118979), (161, 116023), (739, 25277), (1099, 16997), (3611, 5173)]