18333833

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 21844224

約数和(自身を除く): 3510391

約数列:

[1, 7, 37, 71, 259, 497, 997, 2627, 6979, 18389, 36889, 70787, 258223, 495509, 2619119, 18333833]

約数ペア:

[(1, 18333833), (7, 2619119), (37, 495509), (71, 258223), (259, 70787), (497, 36889), (997, 18389), (2627, 6979)]