18984357

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10391}}^1$

素因数の和:10433

約数の個数: 24

約数和(自身を含む): 32423040

約数和(自身を除く): 13438683

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10391, 31173, 72737, 93519, 218211, 301339, 654633, 904017, 2109373, 2712051, 6328119, 18984357]

約数ペア:

[(1, 18984357), (3, 6328119), (7, 2712051), (9, 2109373), (21, 904017), (29, 654633), (63, 301339), (87, 218211), (203, 93519), (261, 72737), (609, 31173), (1827, 10391)]