17920839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{9497}}^1$

素因数の和:9554

約数の個数: 16

約数和(自身を含む): 25986528

約数和(自身を除く): 8065689

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 9497, 28491, 161449, 351389, 484347, 1054167, 5973613, 17920839]

約数ペア:

[(1, 17920839), (3, 5973613), (17, 1054167), (37, 484347), (51, 351389), (111, 161449), (629, 28491), (1887, 9497)]