2019921783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{208907}}^1$

素因数の和:209214

約数の個数: 16

約数和(自身を含む): 2948109696

約数和(自身を除く): 928187913

約数列:

[1, 3, 11, 33, 293, 879, 3223, 9669, 208907, 626721, 2297977, 6893931, 61209751, 183629253, 673307261, 2019921783]

約数ペア:

[(1, 2019921783), (3, 673307261), (11, 183629253), (33, 61209751), (293, 6893931), (879, 2297977), (3223, 626721), (9669, 208907)]