20131781189

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{622177}}^1$

素因数の和:622340

約数の個数: 16

約数和(自身を含む): 22995698880

約数和(自身を除く): 2863917691

約数列:

[1, 13, 19, 131, 247, 1703, 2489, 32357, 622177, 8088301, 11821363, 81505187, 153677719, 1059567431, 1548598553, 20131781189]

約数ペア:

[(1, 20131781189), (13, 1548598553), (19, 1059567431), (131, 153677719), (247, 81505187), (1703, 11821363), (2489, 8088301), (32357, 622177)]