18917027

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 20793600

約数和(自身を除く): 1876573

約数列:

[1, 19, 37, 71, 379, 703, 1349, 2627, 7201, 14023, 26909, 49913, 266437, 511271, 995633, 18917027]

約数ペア:

[(1, 18917027), (19, 995633), (37, 511271), (71, 266437), (379, 49913), (703, 26909), (1349, 14023), (2627, 7201)]