18538869356

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{41081}}^1$

素因数の和:41390

約数の個数: 48

約数和(自身を含む): 37766518272

約数和(自身を除く): 19227648916

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 227, 284, 454, 497, 908, 994, 1589, 1988, 3178, 6356, 16117, 32234, 41081, 64468, 82162, 112819, 164324, 225638, 287567, 451276, 575134, 1150268, 2916751, 5833502, 9325387, 11667004, 18650774, 20417257, 37301548, 40834514, 65277709, 81669028, 130555418, 261110836, 662102477, 1324204954, 2648409908, 4634717339, 9269434678, 18538869356]

約数ペア:

[(1, 18538869356), (2, 9269434678), (4, 4634717339), (7, 2648409908), (14, 1324204954), (28, 662102477), (71, 261110836), (142, 130555418), (227, 81669028), (284, 65277709), (454, 40834514), (497, 37301548), (908, 20417257), (994, 18650774), (1589, 11667004), (1988, 9325387), (3178, 5833502), (6356, 2916751), (16117, 1150268), (32234, 575134), (41081, 451276), (64468, 287567), (82162, 225638), (112819, 164324)]