19998147

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2833}}^1$

素因数の和:3030

約数の個数: 16

約数和(自身を含む): 28884128

約数和(自身を除く): 8885981

約数列:

[1, 3, 13, 39, 181, 543, 2353, 2833, 7059, 8499, 36829, 110487, 512773, 1538319, 6666049, 19998147]

約数ペア:

[(1, 19998147), (3, 6666049), (13, 1538319), (39, 512773), (181, 110487), (543, 36829), (2353, 8499), (2833, 7059)]