19001242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13789}}^1$

素因数の和:13857

約数の個数: 16

約数和(自身を含む): 31275720

約数和(自身を除く): 12274478

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13789, 27578, 179257, 358514, 730817, 1461634, 9500621, 19001242]

約数ペア:

[(1, 19001242), (2, 9500621), (13, 1461634), (26, 730817), (53, 358514), (106, 179257), (689, 27578), (1378, 13789)]