18994286

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:823

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 10036114

約数列:

[1, 2, 79, 158, 239, 478, 503, 1006, 18881, 37762, 39737, 79474, 120217, 240434, 9497143, 18994286]

約数ペア:

[(1, 18994286), (2, 9497143), (79, 240434), (158, 120217), (239, 79474), (478, 39737), (503, 37762), (1006, 18881)]