18892377

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3613}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 31571904

約数和(自身を除く): 12679527

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3613, 5229, 10839, 25291, 32517, 75873, 227619, 299879, 899637, 2099153, 2698911, 6297459, 18892377]

約数ペア:

[(1, 18892377), (3, 6297459), (7, 2698911), (9, 2099153), (21, 899637), (63, 299879), (83, 227619), (249, 75873), (581, 32517), (747, 25291), (1743, 10839), (3613, 5229)]