18727533

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 30810780

約数和(自身を除く): 12083247

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 121, 261, 319, 363, 593, 957, 1089, 1779, 2871, 3509, 5337, 6523, 10527, 17197, 19569, 31581, 51591, 58707, 71753, 154773, 189167, 215259, 567501, 645777, 1702503, 2080837, 6242511, 18727533]

約数ペア:

[(1, 18727533), (3, 6242511), (9, 2080837), (11, 1702503), (29, 645777), (33, 567501), (87, 215259), (99, 189167), (121, 154773), (261, 71753), (319, 58707), (363, 51591), (593, 31581), (957, 19569), (1089, 17197), (1779, 10527), (2871, 6523), (3509, 5337)]