19832176

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 48371904

約数和(自身を除く): 28539728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 257, 364, 371, 424, 514, 689, 728, 742, 848, 1028, 1378, 1456, 1484, 1799, 2056, 2756, 2968, 3341, 3598, 4112, 4823, 5512, 5936, 6682, 7196, 9646, 11024, 13364, 13621, 14392, 19292, 23387, 26728, 27242, 28784, 38584, 46774, 53456, 54484, 77168, 93548, 95347, 108968, 177073, 187096, 190694, 217936, 354146, 374192, 381388, 708292, 762776, 1239511, 1416584, 1525552, 2479022, 2833168, 4958044, 9916088, 19832176]

約数ペア:

[(1, 19832176), (2, 9916088), (4, 4958044), (7, 2833168), (8, 2479022), (13, 1525552), (14, 1416584), (16, 1239511), (26, 762776), (28, 708292), (52, 381388), (53, 374192), (56, 354146), (91, 217936), (104, 190694), (106, 187096), (112, 177073), (182, 108968), (208, 95347), (212, 93548), (257, 77168), (364, 54484), (371, 53456), (424, 46774), (514, 38584), (689, 28784), (728, 27242), (742, 26728), (848, 23387), (1028, 19292), (1378, 14392), (1456, 13621), (1484, 13364), (1799, 11024), (2056, 9646), (2756, 7196), (2968, 6682), (3341, 5936), (3598, 5512), (4112, 4823)]