19938303

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28771}}^1$

素因数の和:28795

約数の個数: 24

約数和(自身を含む): 35907456

約数和(自身を除く): 15969153

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28771, 86313, 201397, 258939, 316481, 604191, 949443, 1812573, 2215367, 2848329, 6646101, 19938303]

約数ペア:

[(1, 19938303), (3, 6646101), (7, 2848329), (9, 2215367), (11, 1812573), (21, 949443), (33, 604191), (63, 316481), (77, 258939), (99, 201397), (231, 86313), (693, 28771)]