19494009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{653}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 29382912

約数和(自身を除く): 9888903

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 653, 963, 1959, 3317, 5877, 9951, 20243, 29853, 60729, 69871, 182187, 209613, 628839, 2166001, 6498003, 19494009]

約数ペア:

[(1, 19494009), (3, 6498003), (9, 2166001), (31, 628839), (93, 209613), (107, 182187), (279, 69871), (321, 60729), (653, 29853), (963, 20243), (1959, 9951), (3317, 5877)]