18944460981

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{72959}}^1$

素因数の和:73190

約数の個数: 32

約数和(自身を含む): 28717056000

約数和(自身を除く): 9772595019

約数列:

[1, 3, 9, 27, 59, 163, 177, 489, 531, 1467, 1593, 4401, 9617, 28851, 72959, 86553, 218877, 259659, 656631, 1969893, 4304581, 11892317, 12913743, 35676951, 38741229, 107030853, 116223687, 321092559, 701646703, 2104940109, 6314820327, 18944460981]

約数ペア:

[(1, 18944460981), (3, 6314820327), (9, 2104940109), (27, 701646703), (59, 321092559), (163, 116223687), (177, 107030853), (489, 38741229), (531, 35676951), (1467, 12913743), (1593, 11892317), (4401, 4304581), (9617, 1969893), (28851, 656631), (72959, 259659), (86553, 218877)]