19936048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{499}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 42408000

約数和(自身を除く): 22471952

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 227, 454, 499, 908, 998, 1816, 1996, 2497, 3632, 3992, 4994, 5489, 7984, 9988, 10978, 19976, 21956, 39952, 43912, 87824, 113273, 226546, 453092, 906184, 1246003, 1812368, 2492006, 4984012, 9968024, 19936048]

約数ペア:

[(1, 19936048), (2, 9968024), (4, 4984012), (8, 2492006), (11, 1812368), (16, 1246003), (22, 906184), (44, 453092), (88, 226546), (176, 113273), (227, 87824), (454, 43912), (499, 39952), (908, 21956), (998, 19976), (1816, 10978), (1996, 9988), (2497, 7984), (3632, 5489), (3992, 4994)]