18822154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1861}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 30499560

約数和(自身を除く): 11677406

約数列:

[1, 2, 13, 26, 389, 778, 1861, 3722, 5057, 10114, 24193, 48386, 723929, 1447858, 9411077, 18822154]

約数ペア:

[(1, 18822154), (2, 9411077), (13, 1447858), (26, 723929), (389, 48386), (778, 24193), (1861, 10114), (3722, 5057)]