2018974455

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{247879}}^1$

素因数の和:248071

約数の個数: 24

約数和(自身を含む): 3518904480

約数和(自身を除く): 1499930025

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2715, 8145, 247879, 743637, 1239395, 2230911, 3718185, 11154555, 44866099, 134598297, 224330495, 403794891, 672991485, 2018974455]

約数ペア:

[(1, 2018974455), (3, 672991485), (5, 403794891), (9, 224330495), (15, 134598297), (45, 44866099), (181, 11154555), (543, 3718185), (905, 2230911), (1629, 1239395), (2715, 743637), (8145, 247879)]