18920276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2417}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 35206080

約数和(自身を除く): 16285804

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2417, 3914, 4834, 7828, 9668, 45923, 91846, 183692, 248951, 497902, 995804, 4730069, 9460138, 18920276]

約数ペア:

[(1, 18920276), (2, 9460138), (4, 4730069), (19, 995804), (38, 497902), (76, 248951), (103, 183692), (206, 91846), (412, 45923), (1957, 9668), (2417, 7828), (3914, 4834)]