17996987140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1740521}}^1$

素因数の和:1740588

約数の個数: 48

約数和(自身を含む): 42106708224

約数和(自身を除く): 24109721084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 1740521, 3481042, 6962084, 8702605, 17405210, 19145731, 34810420, 38291462, 76582924, 81804487, 95728655, 163608974, 191457310, 327217948, 382914620, 409022435, 818044870, 899849357, 1636089740, 1799698714, 3599397428, 4499246785, 8998493570, 17996987140]

約数ペア:

[(1, 17996987140), (2, 8998493570), (4, 4499246785), (5, 3599397428), (10, 1799698714), (11, 1636089740), (20, 899849357), (22, 818044870), (44, 409022435), (47, 382914620), (55, 327217948), (94, 191457310), (110, 163608974), (188, 95728655), (220, 81804487), (235, 76582924), (470, 38291462), (517, 34810420), (940, 19145731), (1034, 17405210), (2068, 8702605), (2585, 6962084), (5170, 3481042), (10340, 1740521)]