20182980286

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{858631}}^1$

素因数の和:858736

約数の個数: 32

約数和(自身を含む): 36598330368

約数和(自身を除く): 16415350082

約数列:

[1, 2, 7, 14, 23, 46, 73, 146, 161, 322, 511, 1022, 1679, 3358, 11753, 23506, 858631, 1717262, 6010417, 12020834, 19748513, 39497026, 62680063, 125360126, 138239591, 276479182, 438760441, 877520882, 1441641449, 2883282898, 10091490143, 20182980286]

約数ペア:

[(1, 20182980286), (2, 10091490143), (7, 2883282898), (14, 1441641449), (23, 877520882), (46, 438760441), (73, 276479182), (146, 138239591), (161, 125360126), (322, 62680063), (511, 39497026), (1022, 19748513), (1679, 12020834), (3358, 6010417), (11753, 1717262), (23506, 858631)]