18888519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4993}}^1$

素因数の和:5106

約数の個数: 16

約数和(自身を含む): 27407072

約数和(自身を除く): 8518553

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 4993, 14979, 64909, 194727, 484321, 1452963, 6296173, 18888519]

約数ペア:

[(1, 18888519), (3, 6296173), (13, 1452963), (39, 484321), (97, 194727), (291, 64909), (1261, 14979), (3783, 4993)]