18604784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2913

約数の個数: 40

約数和(自身を含む): 40400688

約数和(自身を除く): 21795904

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 2857, 3256, 5714, 6512, 11428, 22856, 31427, 45712, 62854, 105709, 125708, 211418, 251416, 422836, 502832, 845672, 1162799, 1691344, 2325598, 4651196, 9302392, 18604784]

約数ペア:

[(1, 18604784), (2, 9302392), (4, 4651196), (8, 2325598), (11, 1691344), (16, 1162799), (22, 845672), (37, 502832), (44, 422836), (74, 251416), (88, 211418), (148, 125708), (176, 105709), (296, 62854), (407, 45712), (592, 31427), (814, 22856), (1628, 11428), (2857, 6512), (3256, 5714)]