18124113

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20071}}^1$

素因数の和:20124

約数の個数: 16

約数和(自身を含む): 28261376

約数和(自身を除く): 10137263

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 20071, 60213, 140497, 421491, 863053, 2589159, 6041371, 18124113]

約数ペア:

[(1, 18124113), (3, 6041371), (7, 2589159), (21, 863053), (43, 421491), (129, 140497), (301, 60213), (903, 20071)]