18430565

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 4249435

約数列:

[1, 5, 83, 89, 415, 445, 499, 2495, 7387, 36935, 41417, 44411, 207085, 222055, 3686113, 18430565]

約数ペア:

[(1, 18430565), (5, 3686113), (83, 222055), (89, 207085), (415, 44411), (445, 41417), (499, 36935), (2495, 7387)]