18220785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10039}}^1$

素因数の和:10069

約数の個数: 24

約数和(自身を含む): 32047680

約数和(自身を除く): 13826895

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 10039, 30117, 50195, 110429, 150585, 331287, 552145, 1214719, 1656435, 3644157, 6073595, 18220785]

約数ペア:

[(1, 18220785), (3, 6073595), (5, 3644157), (11, 1656435), (15, 1214719), (33, 552145), (55, 331287), (121, 150585), (165, 110429), (363, 50195), (605, 30117), (1815, 10039)]