18794721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2383}}^1$

素因数の和:2636

約数の個数: 16

約数和(自身を含む): 27463680

約数和(自身を除く): 8668959

約数列:

[1, 3, 11, 33, 239, 717, 2383, 2629, 7149, 7887, 26213, 78639, 569537, 1708611, 6264907, 18794721]

約数ペア:

[(1, 18794721), (3, 6264907), (11, 1708611), (33, 569537), (239, 78639), (717, 26213), (2383, 7887), (2629, 7149)]