18817010

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23819}}^1$

素因数の和:23905

約数の個数: 16

約数和(自身を含む): 34300800

約数和(自身を除く): 15483790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 23819, 47638, 119095, 238190, 1881701, 3763402, 9408505, 18817010]

約数ペア:

[(1, 18817010), (2, 9408505), (5, 3763402), (10, 1881701), (79, 238190), (158, 119095), (395, 47638), (790, 23819)]