2011302380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{19531}}^1$

素因数の和:19830

約数の個数: 48

約数和(自身を含む): 4462671360

約数和(自身を除く): 2451368980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 1084, 1355, 2710, 5149, 5420, 10298, 19531, 20596, 25745, 39062, 51490, 78124, 97655, 102980, 195310, 371089, 390620, 742178, 1484356, 1855445, 3710890, 5292901, 7421780, 10585802, 21171604, 26464505, 52929010, 100565119, 105858020, 201130238, 402260476, 502825595, 1005651190, 2011302380]

約数ペア:

[(1, 2011302380), (2, 1005651190), (4, 502825595), (5, 402260476), (10, 201130238), (19, 105858020), (20, 100565119), (38, 52929010), (76, 26464505), (95, 21171604), (190, 10585802), (271, 7421780), (380, 5292901), (542, 3710890), (1084, 1855445), (1355, 1484356), (2710, 742178), (5149, 390620), (5420, 371089), (10298, 195310), (19531, 102980), (20596, 97655), (25745, 78124), (39062, 51490)]