2018249919

素因数分解:

$3^3\times 7^1\times {\mathrm{1949}}^1\times {\mathrm{5479}}^1$

素因数の和:7444

約数の個数: 32

約数和(自身を含む): 3419520000

約数和(自身を除く): 1401270081

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1949, 5479, 5847, 13643, 16437, 17541, 38353, 40929, 49311, 52623, 115059, 122787, 147933, 345177, 368361, 1035531, 10678571, 32035713, 74749997, 96107139, 224249991, 288321417, 672749973, 2018249919]

約数ペア:

[(1, 2018249919), (3, 672749973), (7, 288321417), (9, 224249991), (21, 96107139), (27, 74749997), (63, 32035713), (189, 10678571), (1949, 1035531), (5479, 368361), (5847, 345177), (13643, 147933), (16437, 122787), (17541, 115059), (38353, 52623), (40929, 49311)]