18998949

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1861}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 26276544

約数和(自身を除く): 7277595

約数列:

[1, 3, 41, 83, 123, 249, 1861, 3403, 5583, 10209, 76301, 154463, 228903, 463389, 6332983, 18998949]

約数ペア:

[(1, 18998949), (3, 6332983), (41, 463389), (83, 228903), (123, 154463), (249, 76301), (1861, 10209), (3403, 5583)]