19254591

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 12195009

約数列:

[1, 3, 9, 17, 27, 51, 59, 79, 81, 153, 177, 237, 243, 459, 531, 711, 1003, 1343, 1377, 1593, 2133, 3009, 4029, 4131, 4661, 4779, 6399, 9027, 12087, 13983, 14337, 19197, 27081, 36261, 41949, 79237, 81243, 108783, 125847, 237711, 243729, 326349, 377541, 713133, 1132623, 2139399, 6418197, 19254591]

約数ペア:

[(1, 19254591), (3, 6418197), (9, 2139399), (17, 1132623), (27, 713133), (51, 377541), (59, 326349), (79, 243729), (81, 237711), (153, 125847), (177, 108783), (237, 81243), (243, 79237), (459, 41949), (531, 36261), (711, 27081), (1003, 19197), (1343, 14337), (1377, 13983), (1593, 12087), (2133, 9027), (3009, 6399), (4029, 4779), (4131, 4661)]