20181885139

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{4300423}}^1$

素因数の和:4300474

約数の個数: 12

約数和(自身を含む): 22938461616

約数和(自身を除く): 2756576477

約数列:

[1, 13, 19, 247, 361, 4693, 4300423, 55905499, 81708037, 1062204481, 1552452703, 20181885139]

約数ペア:

[(1, 20181885139), (13, 1552452703), (19, 1062204481), (247, 81708037), (361, 55905499), (4693, 4300423)]