20180992804

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{23873}}^1$

素因数の和:24137

約数の個数: 72

約数和(自身を含む): 43437310560

約数和(自身を除く): 23256317756

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 227, 266, 454, 532, 908, 931, 1589, 1862, 3178, 3724, 4313, 6356, 8626, 11123, 17252, 22246, 23873, 30191, 44492, 47746, 60382, 95492, 120764, 167111, 211337, 334222, 422674, 453587, 668444, 845348, 907174, 1169777, 1814348, 2339554, 3175109, 4679108, 5419171, 6350218, 10838342, 12700436, 21676684, 22225763, 37934197, 44451526, 75868394, 88903052, 102964249, 151736788, 205928498, 265539379, 411856996, 531078758, 720749743, 1062157516, 1441499486, 2882998972, 5045248201, 10090496402, 20180992804]

約数ペア:

[(1, 20180992804), (2, 10090496402), (4, 5045248201), (7, 2882998972), (14, 1441499486), (19, 1062157516), (28, 720749743), (38, 531078758), (49, 411856996), (76, 265539379), (98, 205928498), (133, 151736788), (196, 102964249), (227, 88903052), (266, 75868394), (454, 44451526), (532, 37934197), (908, 22225763), (931, 21676684), (1589, 12700436), (1862, 10838342), (3178, 6350218), (3724, 5419171), (4313, 4679108), (6356, 3175109), (8626, 2339554), (11123, 1814348), (17252, 1169777), (22246, 907174), (23873, 845348), (30191, 668444), (44492, 453587), (47746, 422674), (60382, 334222), (95492, 211337), (120764, 167111)]