19964259

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1447}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 34288640

約数和(自身を除く): 14324381

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1447, 1533, 1971, 4341, 4599, 10129, 13023, 13797, 30387, 39069, 91161, 105631, 273483, 316893, 739417, 950679, 2218251, 2852037, 6654753, 19964259]

約数ペア:

[(1, 19964259), (3, 6654753), (7, 2852037), (9, 2218251), (21, 950679), (27, 739417), (63, 316893), (73, 273483), (189, 105631), (219, 91161), (511, 39069), (657, 30387), (1447, 13797), (1533, 13023), (1971, 10129), (4341, 4599)]