18831490993

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{221071}}^1$

素因数の和:221404

約数の個数: 16

約数和(自身を含む): 22100125696

約数和(自身を除く): 3268634703

約数列:

[1, 7, 43, 283, 301, 1981, 12169, 85183, 221071, 1547497, 9506053, 62563093, 66542371, 437941651, 2690212999, 18831490993]

約数ペア:

[(1, 18831490993), (7, 2690212999), (43, 437941651), (283, 66542371), (301, 62563093), (1981, 9506053), (12169, 1547497), (85183, 221071)]