18816574

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 15466946

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 557, 889, 1114, 1778, 2413, 3899, 4826, 7798, 10583, 16891, 21166, 33782, 70739, 74081, 141478, 148162, 495173, 990346, 1344041, 2688082, 9408287, 18816574]

約数ペア:

[(1, 18816574), (2, 9408287), (7, 2688082), (14, 1344041), (19, 990346), (38, 495173), (127, 148162), (133, 141478), (254, 74081), (266, 70739), (557, 33782), (889, 21166), (1114, 16891), (1778, 10583), (2413, 7798), (3899, 4826)]