18118287

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{929}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 28725840

約数和(自身を除く): 10607553

約数列:

[1, 3, 9, 11, 33, 99, 197, 591, 929, 1773, 2167, 2787, 6501, 8361, 10219, 19503, 30657, 91971, 183013, 549039, 1647117, 2013143, 6039429, 18118287]

約数ペア:

[(1, 18118287), (3, 6039429), (9, 2013143), (11, 1647117), (33, 549039), (99, 183013), (197, 91971), (591, 30657), (929, 19503), (1773, 10219), (2167, 8361), (2787, 6501)]