20131489118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2944061}}^1$

素因数の和:2944339

約数の個数: 16

約数和(自身を含む): 32643759456

約数和(自身を除く): 12512270338

約数列:

[1, 2, 13, 26, 263, 526, 3419, 6838, 2944061, 5888122, 38272793, 76545586, 774288043, 1548576086, 10065744559, 20131489118]

約数ペア:

[(1, 20131489118), (2, 10065744559), (13, 1548576086), (26, 774288043), (263, 76545586), (526, 38272793), (3419, 5888122), (6838, 2944061)]