19195479

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 28933632

約数和(自身を除く): 9738153

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 643, 963, 1929, 3317, 5787, 9951, 19933, 29853, 59799, 68801, 179397, 206403, 619209, 2132831, 6398493, 19195479]

約数ペア:

[(1, 19195479), (3, 6398493), (9, 2132831), (31, 619209), (93, 206403), (107, 179397), (279, 68801), (321, 59799), (643, 29853), (963, 19933), (1929, 9951), (3317, 5787)]