19927533

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{863}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 7443987

約数列:

[1, 3, 43, 129, 179, 537, 863, 2589, 7697, 23091, 37109, 111327, 154477, 463431, 6642511, 19927533]

約数ペア:

[(1, 19927533), (3, 6642511), (43, 463431), (129, 154477), (179, 111327), (537, 37109), (863, 23091), (2589, 7697)]