19527237

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 32235840

約数和(自身を除く): 12708603

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 163, 243, 261, 459, 489, 493, 783, 1377, 1467, 1479, 2349, 2771, 4131, 4401, 4437, 4727, 7047, 8313, 13203, 13311, 14181, 24939, 39609, 39933, 42543, 74817, 80359, 119799, 127629, 224451, 241077, 382887, 673353, 723231, 1148661, 2169693, 6509079, 19527237]

約数ペア:

[(1, 19527237), (3, 6509079), (9, 2169693), (17, 1148661), (27, 723231), (29, 673353), (51, 382887), (81, 241077), (87, 224451), (153, 127629), (163, 119799), (243, 80359), (261, 74817), (459, 42543), (489, 39933), (493, 39609), (783, 24939), (1377, 14181), (1467, 13311), (1479, 13203), (2349, 8313), (2771, 7047), (4131, 4727), (4401, 4437)]