18888941721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1\times {\mathrm{469769}}^1$

素因数の和:470816

約数の個数: 16

約数和(自身を含む): 27148947840

約数和(自身を除く): 8260006119

約数列:

[1, 3, 13, 39, 1031, 3093, 13403, 40209, 469769, 1409307, 6106997, 18320991, 484331839, 1452995517, 6296313907, 18888941721]

約数ペア:

[(1, 18888941721), (3, 6296313907), (13, 1452995517), (39, 484331839), (1031, 18320991), (3093, 6106997), (13403, 1409307), (40209, 469769)]