18385217

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 20385600

約数和(自身を除く): 2000383

約数列:

[1, 19, 29, 61, 547, 551, 1159, 1769, 10393, 15863, 33367, 33611, 301397, 633973, 967643, 18385217]

約数ペア:

[(1, 18385217), (19, 967643), (29, 633973), (61, 301397), (547, 33611), (551, 33367), (1159, 15863), (1769, 10393)]