17920019

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 19944960

約数和(自身を除く): 2024941

約数列:

[1, 13, 47, 139, 211, 611, 1807, 2743, 6533, 9917, 29329, 84929, 128921, 381277, 1378463, 17920019]

約数ペア:

[(1, 17920019), (13, 1378463), (47, 381277), (139, 128921), (211, 84929), (611, 29329), (1807, 9917), (2743, 6533)]