19082739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 28071120

約数和(自身を除く): 8988381

約数列:

[1, 3, 13, 39, 67, 109, 201, 327, 871, 1417, 2613, 4251, 4489, 7303, 13467, 21909, 58357, 94939, 175071, 284817, 489301, 1467903, 6360913, 19082739]

約数ペア:

[(1, 19082739), (3, 6360913), (13, 1467903), (39, 489301), (67, 284817), (109, 175071), (201, 94939), (327, 58357), (871, 21909), (1417, 13467), (2613, 7303), (4251, 4489)]