18925808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1$

素因数の和:773

約数の個数: 40

約数和(自身を含む): 40283136

約数和(自身を除く): 21357328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 191, 382, 563, 764, 1126, 1528, 2101, 2252, 3056, 4202, 4504, 6193, 8404, 9008, 12386, 16808, 24772, 33616, 49544, 99088, 107533, 215066, 430132, 860264, 1182863, 1720528, 2365726, 4731452, 9462904, 18925808]

約数ペア:

[(1, 18925808), (2, 9462904), (4, 4731452), (8, 2365726), (11, 1720528), (16, 1182863), (22, 860264), (44, 430132), (88, 215066), (176, 107533), (191, 99088), (382, 49544), (563, 33616), (764, 24772), (1126, 16808), (1528, 12386), (2101, 9008), (2252, 8404), (3056, 6193), (4202, 4504)]