19079739

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 32560640

約数和(自身を除く): 13480901

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 643, 1099, 1413, 1929, 3297, 4239, 4501, 5787, 9891, 13503, 17361, 29673, 40509, 100951, 121527, 302853, 706657, 908559, 2119971, 2725677, 6359913, 19079739]

約数ペア:

[(1, 19079739), (3, 6359913), (7, 2725677), (9, 2119971), (21, 908559), (27, 706657), (63, 302853), (157, 121527), (189, 100951), (471, 40509), (643, 29673), (1099, 17361), (1413, 13503), (1929, 9891), (3297, 5787), (4239, 4501)]