18661672

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21401}}^1$

素因数の和:21516

約数の個数: 16

約数和(自身を含む): 35313300

約数和(自身を除く): 16651628

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21401, 42802, 85604, 171208, 2332709, 4665418, 9330836, 18661672]

約数ペア:

[(1, 18661672), (2, 9330836), (4, 4665418), (8, 2332709), (109, 171208), (218, 85604), (436, 42802), (872, 21401)]