18982761

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53173}}^1$

素因数の和:53200

約数の個数: 16

約数和(自身を含む): 30628224

約数和(自身を除く): 11645463

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53173, 159519, 372211, 903941, 1116633, 2711823, 6327587, 18982761]

約数ペア:

[(1, 18982761), (3, 6327587), (7, 2711823), (17, 1116633), (21, 903941), (51, 372211), (119, 159519), (357, 53173)]