18178668

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:2988

約数の個数: 60

約数和(自身を含む): 50040760

約数和(自身を除く): 31862092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 2953, 3078, 5906, 6156, 8859, 11812, 17718, 26577, 35436, 53154, 56107, 79731, 106308, 112214, 159462, 168321, 224428, 239193, 318924, 336642, 478386, 504963, 673284, 956772, 1009926, 1514889, 2019852, 3029778, 4544667, 6059556, 9089334, 18178668]

約数ペア:

[(1, 18178668), (2, 9089334), (3, 6059556), (4, 4544667), (6, 3029778), (9, 2019852), (12, 1514889), (18, 1009926), (19, 956772), (27, 673284), (36, 504963), (38, 478386), (54, 336642), (57, 318924), (76, 239193), (81, 224428), (108, 168321), (114, 159462), (162, 112214), (171, 106308), (228, 79731), (324, 56107), (342, 53154), (513, 35436), (684, 26577), (1026, 17718), (1539, 11812), (2052, 8859), (2953, 6156), (3078, 5906)]