18666866

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:1033

約数の個数: 16

約数和(自身を含む): 28576800

約数和(自身を除く): 9909934

約数列:

[1, 2, 83, 139, 166, 278, 809, 1618, 11537, 23074, 67147, 112451, 134294, 224902, 9333433, 18666866]

約数ペア:

[(1, 18666866), (2, 9333433), (83, 224902), (139, 134294), (166, 112451), (278, 67147), (809, 23074), (1618, 11537)]