19888487

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 1884313

約数列:

[1, 17, 59, 79, 251, 1003, 1343, 4267, 4661, 14809, 19829, 79237, 251753, 337093, 1169911, 19888487]

約数ペア:

[(1, 19888487), (17, 1169911), (59, 337093), (79, 251753), (251, 79237), (1003, 19829), (1343, 14809), (4267, 4661)]