19416736

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 39783744

約数和(自身を除く): 20367008

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 103, 137, 172, 206, 274, 344, 412, 548, 688, 824, 1096, 1376, 1648, 2192, 3296, 4384, 4429, 5891, 8858, 11782, 14111, 17716, 23564, 28222, 35432, 47128, 56444, 70864, 94256, 112888, 141728, 188512, 225776, 451552, 606773, 1213546, 2427092, 4854184, 9708368, 19416736]

約数ペア:

[(1, 19416736), (2, 9708368), (4, 4854184), (8, 2427092), (16, 1213546), (32, 606773), (43, 451552), (86, 225776), (103, 188512), (137, 141728), (172, 112888), (206, 94256), (274, 70864), (344, 56444), (412, 47128), (548, 35432), (688, 28222), (824, 23564), (1096, 17716), (1376, 14111), (1648, 11782), (2192, 8858), (3296, 5891), (4384, 4429)]