18808803

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8461}}^1$

素因数の和:8499

約数の個数: 24

約数和(自身を含む): 30801680

約数和(自身を除く): 11992877

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8461, 25383, 76149, 109993, 160759, 329979, 482277, 989937, 1446831, 2089867, 6269601, 18808803]

約数ペア:

[(1, 18808803), (3, 6269601), (9, 2089867), (13, 1446831), (19, 989937), (39, 482277), (57, 329979), (117, 160759), (171, 109993), (247, 76149), (741, 25383), (2223, 8461)]