18871645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1279}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 5642915

約数列:

[1, 5, 13, 65, 227, 1135, 1279, 2951, 6395, 14755, 16627, 83135, 290333, 1451665, 3774329, 18871645]

約数ペア:

[(1, 18871645), (5, 3774329), (13, 1451665), (65, 290333), (227, 83135), (1135, 16627), (1279, 14755), (2951, 6395)]