19399397

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 21441024

約数和(自身を除く): 2041627

約数列:

[1, 17, 31, 131, 281, 527, 2227, 4061, 4777, 8711, 36811, 69037, 148087, 625787, 1141141, 19399397]

約数ペア:

[(1, 19399397), (17, 1141141), (31, 625787), (131, 148087), (281, 69037), (527, 36811), (2227, 8711), (4061, 4777)]