18890228

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3769}}^1$

素因数の和:3959

約数の個数: 24

約数和(自身を含む): 38001600

約数和(自身を除く): 19111372

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 3769, 5012, 7538, 15076, 26383, 52766, 105532, 674651, 1349302, 2698604, 4722557, 9445114, 18890228]

約数ペア:

[(1, 18890228), (2, 9445114), (4, 4722557), (7, 2698604), (14, 1349302), (28, 674651), (179, 105532), (358, 52766), (716, 26383), (1253, 15076), (2506, 7538), (3769, 5012)]