19513389217

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{853}}^1\times {\mathrm{4813}}^1$

素因数の和:5777

約数の個数: 24

約数和(自身を含む): 22964917416

約数和(自身を除く): 3451528199

約数列:

[1, 7, 49, 97, 679, 853, 4753, 4813, 5971, 33691, 41797, 82741, 235837, 466861, 579187, 3268027, 4054309, 4105489, 22876189, 28738423, 201168961, 398232433, 2787627031, 19513389217]

約数ペア:

[(1, 19513389217), (7, 2787627031), (49, 398232433), (97, 201168961), (679, 28738423), (853, 22876189), (4753, 4105489), (4813, 4054309), (5971, 3268027), (33691, 579187), (41797, 466861), (82741, 235837)]