18317728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4003}}^1$

素因数の和:4037

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 24060608

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4003, 4576, 8006, 16012, 32024, 44033, 52039, 64048, 88066, 104078, 128096, 176132, 208156, 352264, 416312, 572429, 704528, 832624, 1144858, 1409056, 1665248, 2289716, 4579432, 9158864, 18317728]

約数ペア:

[(1, 18317728), (2, 9158864), (4, 4579432), (8, 2289716), (11, 1665248), (13, 1409056), (16, 1144858), (22, 832624), (26, 704528), (32, 572429), (44, 416312), (52, 352264), (88, 208156), (104, 176132), (143, 128096), (176, 104078), (208, 88066), (286, 64048), (352, 52039), (416, 44033), (572, 32024), (1144, 16012), (2288, 8006), (4003, 4576)]