18854756

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 17917084

約数列:

[1, 2, 4, 23, 29, 37, 46, 58, 74, 92, 116, 148, 191, 382, 667, 764, 851, 1073, 1334, 1702, 2146, 2668, 3404, 4292, 4393, 5539, 7067, 8786, 11078, 14134, 17572, 22156, 24679, 28268, 49358, 98716, 127397, 162541, 204943, 254794, 325082, 409886, 509588, 650164, 819772, 4713689, 9427378, 18854756]

約数ペア:

[(1, 18854756), (2, 9427378), (4, 4713689), (23, 819772), (29, 650164), (37, 509588), (46, 409886), (58, 325082), (74, 254794), (92, 204943), (116, 162541), (148, 127397), (191, 98716), (382, 49358), (667, 28268), (764, 24679), (851, 22156), (1073, 17572), (1334, 14134), (1702, 11078), (2146, 8786), (2668, 7067), (3404, 5539), (4292, 4393)]