19039768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 40811400

約数和(自身を除く): 21771632

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 409, 506, 529, 818, 1012, 1058, 1636, 2024, 2116, 3272, 4232, 4499, 5819, 8998, 9407, 11638, 17996, 18814, 23276, 35992, 37628, 46552, 75256, 103477, 206954, 216361, 413908, 432722, 827816, 865444, 1730888, 2379971, 4759942, 9519884, 19039768]

約数ペア:

[(1, 19039768), (2, 9519884), (4, 4759942), (8, 2379971), (11, 1730888), (22, 865444), (23, 827816), (44, 432722), (46, 413908), (88, 216361), (92, 206954), (184, 103477), (253, 75256), (409, 46552), (506, 37628), (529, 35992), (818, 23276), (1012, 18814), (1058, 17996), (1636, 11638), (2024, 9407), (2116, 8998), (3272, 5819), (4232, 4499)]