18242007

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21187}}^1$

素因数の和:21238

約数の個数: 16

約数和(自身を含む): 28476672

約数和(自身を除く): 10234665

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21187, 63561, 148309, 444927, 868667, 2606001, 6080669, 18242007]

約数ペア:

[(1, 18242007), (3, 6080669), (7, 2606001), (21, 868667), (41, 444927), (123, 148309), (287, 63561), (861, 21187)]