19838121

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2687}}^1$

素因数の和:2820

約数の個数: 16

約数和(自身を含む): 27869184

約数和(自身を除く): 8031063

約数列:

[1, 3, 23, 69, 107, 321, 2461, 2687, 7383, 8061, 61801, 185403, 287509, 862527, 6612707, 19838121]

約数ペア:

[(1, 19838121), (3, 6612707), (23, 862527), (69, 287509), (107, 185403), (321, 61801), (2461, 8061), (2687, 7383)]