2018257563

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{990799}}^1$

素因数の和:990906

約数の個数: 16

約数和(自身を含む): 3107148800

約数和(自身を除く): 1088891237

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 990799, 2972397, 6935593, 20806779, 96107503, 288322509, 672752521, 2018257563]

約数ペア:

[(1, 2018257563), (3, 672752521), (7, 288322509), (21, 96107503), (97, 20806779), (291, 6935593), (679, 2972397), (2037, 990799)]