19378233

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16189}}^1$

素因数の和:16221

約数の個数: 24

約数和(自身を含む): 33675200

約数和(自身を除く): 14296967

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16189, 48567, 113323, 145701, 307591, 339969, 922773, 1019907, 2153137, 2768319, 6459411, 19378233]

約数ペア:

[(1, 19378233), (3, 6459411), (7, 2768319), (9, 2153137), (19, 1019907), (21, 922773), (57, 339969), (63, 307591), (133, 145701), (171, 113323), (399, 48567), (1197, 16189)]