18994729

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 22029840

約数和(自身を除く): 3035111

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1409, 13481, 18317, 23953, 85949, 311389, 1117337, 1461133, 18994729]

約数ペア:

[(1, 18994729), (13, 1461133), (17, 1117337), (61, 311389), (221, 85949), (793, 23953), (1037, 18317), (1409, 13481)]