19493541

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4079}}^1$

素因数の和:4150

約数の個数: 20

約数和(自身を含む): 29620800

約数和(自身を除く): 10127259

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4079, 4779, 12237, 36711, 110133, 240661, 330399, 721983, 2165949, 6497847, 19493541]

約数ペア:

[(1, 19493541), (3, 6497847), (9, 2165949), (27, 721983), (59, 330399), (81, 240661), (177, 110133), (531, 36711), (1593, 12237), (4079, 4779)]