18680518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9007}}^1$

素因数の和:9087

約数の個数: 16

約数和(自身を含む): 30158784

約数和(自身を除く): 11478266

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 9007, 18014, 153119, 306238, 549427, 1098854, 9340259, 18680518]

約数ペア:

[(1, 18680518), (2, 9340259), (17, 1098854), (34, 549427), (61, 306238), (122, 153119), (1037, 18014), (2074, 9007)]