18664191

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1753}}^1$

素因数の和:1792

約数の個数: 36

約数和(自身を含む): 33382128

約数和(自身を除く): 14717937

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1753, 3549, 5259, 10647, 12271, 15777, 22789, 36813, 68367, 110439, 159523, 205101, 296257, 478569, 888771, 1435707, 2073799, 2666313, 6221397, 18664191]

約数ペア:

[(1, 18664191), (3, 6221397), (7, 2666313), (9, 2073799), (13, 1435707), (21, 888771), (39, 478569), (63, 296257), (91, 205101), (117, 159523), (169, 110439), (273, 68367), (507, 36813), (819, 22789), (1183, 15777), (1521, 12271), (1753, 10647), (3549, 5259)]