18348564380

素因数分解:

$2^2\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{439171}}^1$

素因数の和:441269

約数の個数: 24

約数和(自身を含む): 38550518160

約数和(自身を除く): 20201953780

約数列:

[1, 2, 4, 5, 10, 20, 2089, 4178, 8356, 10445, 20890, 41780, 439171, 878342, 1756684, 2195855, 4391710, 8783420, 917428219, 1834856438, 3669712876, 4587141095, 9174282190, 18348564380]

約数ペア:

[(1, 18348564380), (2, 9174282190), (4, 4587141095), (5, 3669712876), (10, 1834856438), (20, 917428219), (2089, 8783420), (4178, 4391710), (8356, 2195855), (10445, 1756684), (20890, 878342), (41780, 439171)]