19316817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1543}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 30348864

約数和(自身を除く): 11032047

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1543, 4173, 4629, 12519, 13887, 20059, 60177, 165101, 180531, 495303, 1485909, 2146313, 6438939, 19316817]

約数ペア:

[(1, 19316817), (3, 6438939), (9, 2146313), (13, 1485909), (39, 495303), (107, 180531), (117, 165101), (321, 60177), (963, 20059), (1391, 13887), (1543, 12519), (4173, 4629)]