19121859

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{19141}}^1$

素因数の和:19187

約数の個数: 16

約数和(自身を含む): 29095840

約数和(自身を除く): 9973981

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 19141, 57423, 172269, 516807, 708217, 2124651, 6373953, 19121859]

約数ペア:

[(1, 19121859), (3, 6373953), (9, 2124651), (27, 708217), (37, 516807), (111, 172269), (333, 57423), (999, 19141)]