19026981

素因数分解:

$3^4\times {\mathrm{467}}^1\times {\mathrm{503}}^1$

素因数の和:982

約数の個数: 20

約数和(自身を含む): 28540512

約数和(自身を除く): 9513531

約数列:

[1, 3, 9, 27, 81, 467, 503, 1401, 1509, 4203, 4527, 12609, 13581, 37827, 40743, 234901, 704703, 2114109, 6342327, 19026981]

約数ペア:

[(1, 19026981), (3, 6342327), (9, 2114109), (27, 704703), (81, 234901), (467, 40743), (503, 37827), (1401, 13581), (1509, 12609), (4203, 4527)]