19902153

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1367}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 27841536

約数和(自身を除く): 7939383

約数列:

[1, 3, 23, 69, 211, 633, 1367, 4101, 4853, 14559, 31441, 94323, 288437, 865311, 6634051, 19902153]

約数ペア:

[(1, 19902153), (3, 6634051), (23, 865311), (69, 288437), (211, 94323), (633, 31441), (1367, 14559), (4101, 4853)]