18628718

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1159

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 10111378

約数列:

[1, 2, 43, 86, 251, 502, 863, 1726, 10793, 21586, 37109, 74218, 216613, 433226, 9314359, 18628718]

約数ペア:

[(1, 18628718), (2, 9314359), (43, 433226), (86, 216613), (251, 74218), (502, 37109), (863, 21586), (1726, 10793)]