18441170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 39004416

約数和(自身を除く): 20563246

約数列:

[1, 2, 5, 10, 11, 22, 23, 37, 46, 55, 74, 110, 115, 185, 197, 230, 253, 370, 394, 407, 506, 814, 851, 985, 1265, 1702, 1970, 2035, 2167, 2530, 4070, 4255, 4334, 4531, 7289, 8510, 9062, 9361, 10835, 14578, 18722, 21670, 22655, 36445, 45310, 46805, 49841, 72890, 80179, 93610, 99682, 160358, 167647, 249205, 335294, 400895, 498410, 801790, 838235, 1676470, 1844117, 3688234, 9220585, 18441170]

約数ペア:

[(1, 18441170), (2, 9220585), (5, 3688234), (10, 1844117), (11, 1676470), (22, 838235), (23, 801790), (37, 498410), (46, 400895), (55, 335294), (74, 249205), (110, 167647), (115, 160358), (185, 99682), (197, 93610), (230, 80179), (253, 72890), (370, 49841), (394, 46805), (407, 45310), (506, 36445), (814, 22655), (851, 21670), (985, 18722), (1265, 14578), (1702, 10835), (1970, 9361), (2035, 9062), (2167, 8510), (2530, 7289), (4070, 4531), (4255, 4334)]