18630782

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9419}}^1$

素因数の和:9487

約数の個数: 16

約数和(自身を含む): 29842560

約数和(自身を除く): 11211778

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9419, 18838, 216637, 405017, 433274, 810034, 9315391, 18630782]

約数ペア:

[(1, 18630782), (2, 9315391), (23, 810034), (43, 433274), (46, 405017), (86, 216637), (989, 18838), (1978, 9419)]