18337288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 36768600

約数和(自身を除く): 18431312

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1237, 1853, 2474, 3706, 4948, 7412, 9896, 14824, 21029, 42058, 84116, 134833, 168232, 269666, 539332, 1078664, 2292161, 4584322, 9168644, 18337288]

約数ペア:

[(1, 18337288), (2, 9168644), (4, 4584322), (8, 2292161), (17, 1078664), (34, 539332), (68, 269666), (109, 168232), (136, 134833), (218, 84116), (436, 42058), (872, 21029), (1237, 14824), (1853, 9896), (2474, 7412), (3706, 4948)]