19399509

素因数分解:

$3^2\times {\mathrm{1213}}^1\times {\mathrm{1777}}^1$

素因数の和:2996

約数の個数: 12

約数和(自身を含む): 28060396

約数和(自身を除く): 8660887

約数列:

[1, 3, 9, 1213, 1777, 3639, 5331, 10917, 15993, 2155501, 6466503, 19399509]

約数ペア:

[(1, 19399509), (3, 6466503), (9, 2155501), (1213, 15993), (1777, 10917), (3639, 5331)]