19204144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 38584832

約数和(自身を除く): 19380688

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 271, 344, 412, 542, 688, 824, 1084, 1648, 2168, 4336, 4429, 8858, 11653, 17716, 23306, 27913, 35432, 46612, 55826, 70864, 93224, 111652, 186448, 223304, 446608, 1200259, 2400518, 4801036, 9602072, 19204144]

約数ペア:

[(1, 19204144), (2, 9602072), (4, 4801036), (8, 2400518), (16, 1200259), (43, 446608), (86, 223304), (103, 186448), (172, 111652), (206, 93224), (271, 70864), (344, 55826), (412, 46612), (542, 35432), (688, 27913), (824, 23306), (1084, 17716), (1648, 11653), (2168, 8858), (4336, 4429)]