18660404

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1583}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 37433088

約数和(自身を除く): 18772684

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1583, 1684, 2947, 3166, 5894, 6332, 11081, 11788, 22162, 44324, 666443, 1332886, 2665772, 4665101, 9330202, 18660404]

約数ペア:

[(1, 18660404), (2, 9330202), (4, 4665101), (7, 2665772), (14, 1332886), (28, 666443), (421, 44324), (842, 22162), (1583, 11788), (1684, 11081), (2947, 6332), (3166, 5894)]