18917806

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2083}}^1$

素因数の和:2343

約数の個数: 16

約数和(自身を含む): 30009600

約数和(自身を除く): 11091794

約数列:

[1, 2, 19, 38, 239, 478, 2083, 4166, 4541, 9082, 39577, 79154, 497837, 995674, 9458903, 18917806]

約数ペア:

[(1, 18917806), (2, 9458903), (19, 995674), (38, 497837), (239, 79154), (478, 39577), (2083, 9082), (4166, 4541)]