18129956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20509}}^1$

素因数の和:20543

約数の個数: 24

約数和(自身を含む): 36179640

約数和(自身を除く): 18049684

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 20509, 41018, 82036, 266617, 348653, 533234, 697306, 1066468, 1394612, 4532489, 9064978, 18129956]

約数ペア:

[(1, 18129956), (2, 9064978), (4, 4532489), (13, 1394612), (17, 1066468), (26, 697306), (34, 533234), (52, 348653), (68, 266617), (221, 82036), (442, 41018), (884, 20509)]