18089487

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 40

約数和(自身を含む): 29882160

約数和(自身を除く): 11792673

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 351, 369, 419, 533, 1053, 1107, 1257, 1599, 3321, 3771, 4797, 5447, 11313, 14391, 16341, 17179, 33939, 43173, 49023, 51537, 147069, 154611, 223327, 441207, 463833, 669981, 1391499, 2009943, 6029829, 18089487]

約数ペア:

[(1, 18089487), (3, 6029829), (9, 2009943), (13, 1391499), (27, 669981), (39, 463833), (41, 441207), (81, 223327), (117, 154611), (123, 147069), (351, 51537), (369, 49023), (419, 43173), (533, 33939), (1053, 17179), (1107, 16341), (1257, 14391), (1599, 11313), (3321, 5447), (3771, 4797)]