15820084

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 17887436

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 227, 262, 266, 454, 524, 532, 908, 917, 1589, 1834, 2489, 3178, 3668, 4313, 4978, 6356, 8626, 9956, 17252, 17423, 29737, 30191, 34846, 59474, 60382, 69692, 118948, 120764, 208159, 416318, 565003, 832636, 1130006, 2260012, 3955021, 7910042, 15820084]

約数ペア:

[(1, 15820084), (2, 7910042), (4, 3955021), (7, 2260012), (14, 1130006), (19, 832636), (28, 565003), (38, 416318), (76, 208159), (131, 120764), (133, 118948), (227, 69692), (262, 60382), (266, 59474), (454, 34846), (524, 30191), (532, 29737), (908, 17423), (917, 17252), (1589, 9956), (1834, 8626), (2489, 6356), (3178, 4978), (3668, 4313)]