19406816

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4241}}^1$

素因数の和:4275

約数の個数: 48

約数和(自身を含む): 44897328

約数和(自身を除く): 25490512

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, 4241, 4576, 8482, 16964, 33928, 46651, 55133, 67856, 93302, 110266, 135712, 186604, 220532, 373208, 441064, 606463, 746416, 882128, 1212926, 1492832, 1764256, 2425852, 4851704, 9703408, 19406816]

約数ペア:

[(1, 19406816), (2, 9703408), (4, 4851704), (8, 2425852), (11, 1764256), (13, 1492832), (16, 1212926), (22, 882128), (26, 746416), (32, 606463), (44, 441064), (52, 373208), (88, 220532), (104, 186604), (143, 135712), (176, 110266), (208, 93302), (286, 67856), (352, 55133), (416, 46651), (572, 33928), (1144, 16964), (2288, 8482), (4241, 4576)]