19608208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72089}}^1$

素因数の和:72114

約数の個数: 20

約数和(自身を含む): 40226220

約数和(自身を除く): 20618012

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72089, 144178, 288356, 576712, 1153424, 1225513, 2451026, 4902052, 9804104, 19608208]

約数ペア:

[(1, 19608208), (2, 9804104), (4, 4902052), (8, 2451026), (16, 1225513), (17, 1153424), (34, 576712), (68, 288356), (136, 144178), (272, 72089)]