19820361

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{937}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 28905408

約数和(自身を除く): 9085047

約数列:

[1, 3, 11, 33, 641, 937, 1923, 2811, 7051, 10307, 21153, 30921, 600617, 1801851, 6606787, 19820361]

約数ペア:

[(1, 19820361), (3, 6606787), (11, 1801851), (33, 600617), (641, 30921), (937, 21153), (1923, 10307), (2811, 7051)]