19713591

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 32011200

約数和(自身を除く): 12297609

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 459, 493, 783, 1479, 1481, 4437, 4443, 13311, 13329, 25177, 39987, 42949, 75531, 128847, 226593, 386541, 679779, 730133, 1159623, 2190399, 6571197, 19713591]

約数ペア:

[(1, 19713591), (3, 6571197), (9, 2190399), (17, 1159623), (27, 730133), (29, 679779), (51, 386541), (87, 226593), (153, 128847), (261, 75531), (459, 42949), (493, 39987), (783, 25177), (1479, 13329), (1481, 13311), (4437, 4443)]