18826191

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4243}}^1$

素因数の和:4295

約数の個数: 24

約数和(自身を含む): 29792880

約数和(自身を除く): 10966689

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4243, 4437, 12729, 38187, 72131, 123047, 216393, 369141, 649179, 1107423, 2091799, 6275397, 18826191]

約数ペア:

[(1, 18826191), (3, 6275397), (9, 2091799), (17, 1107423), (29, 649179), (51, 369141), (87, 216393), (153, 123047), (261, 72131), (493, 38187), (1479, 12729), (4243, 4437)]