19021869

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 29134560

約数和(自身を除く): 10112691

約数列:

[1, 3, 9, 19, 57, 171, 173, 519, 643, 1557, 1929, 3287, 5787, 9861, 12217, 29583, 36651, 109953, 111239, 333717, 1001151, 2113541, 6340623, 19021869]

約数ペア:

[(1, 19021869), (3, 6340623), (9, 2113541), (19, 1001151), (57, 333717), (171, 111239), (173, 109953), (519, 36651), (643, 29583), (1557, 12217), (1929, 9861), (3287, 5787)]