19421559

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{19441}}^1$

素因数の和:19487

約数の個数: 16

約数和(自身を含む): 29551840

約数和(自身を除く): 10130281

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 19441, 58323, 174969, 524907, 719317, 2157951, 6473853, 19421559]

約数ペア:

[(1, 19421559), (3, 6473853), (9, 2157951), (27, 719317), (37, 524907), (111, 174969), (333, 58323), (999, 19441)]