18157509

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{953}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 27532440

約数和(自身を除く): 9374931

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 953, 2117, 2859, 6351, 8577, 19053, 27637, 69569, 82911, 208707, 248733, 626121, 2017501, 6052503, 18157509]

約数ペア:

[(1, 18157509), (3, 6052503), (9, 2017501), (29, 626121), (73, 248733), (87, 208707), (219, 82911), (261, 69569), (657, 27637), (953, 19053), (2117, 8577), (2859, 6351)]