19705166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 33899040

約数和(自身を除く): 14193874

約数列:

[1, 2, 13, 19, 26, 38, 113, 226, 247, 353, 494, 706, 1469, 2147, 2938, 4294, 4589, 6707, 9178, 13414, 27911, 39889, 55822, 79778, 87191, 174382, 518557, 757891, 1037114, 1515782, 9852583, 19705166]

約数ペア:

[(1, 19705166), (2, 9852583), (13, 1515782), (19, 1037114), (26, 757891), (38, 518557), (113, 174382), (226, 87191), (247, 79778), (353, 55822), (494, 39889), (706, 27911), (1469, 13414), (2147, 9178), (2938, 6707), (4294, 4589)]