19718829

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56179}}^1$

素因数の和:56201

約数の個数: 16

約数和(自身を含む): 31460800

約数和(自身を除く): 11741971

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56179, 168537, 505611, 730327, 1516833, 2190981, 6572943, 19718829]

約数ペア:

[(1, 19718829), (3, 6572943), (9, 2190981), (13, 1516833), (27, 730327), (39, 505611), (117, 168537), (351, 56179)]