18202828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 38262784

約数和(自身を除く): 20059956

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 67, 124, 134, 217, 268, 313, 434, 469, 626, 868, 938, 1252, 1876, 2077, 2191, 4154, 4382, 8308, 8764, 9703, 14539, 19406, 20971, 29078, 38812, 41942, 58156, 67921, 83884, 135842, 146797, 271684, 293594, 587188, 650101, 1300202, 2600404, 4550707, 9101414, 18202828]

約数ペア:

[(1, 18202828), (2, 9101414), (4, 4550707), (7, 2600404), (14, 1300202), (28, 650101), (31, 587188), (62, 293594), (67, 271684), (124, 146797), (134, 135842), (217, 83884), (268, 67921), (313, 58156), (434, 41942), (469, 38812), (626, 29078), (868, 20971), (938, 19406), (1252, 14539), (1876, 9703), (2077, 8764), (2191, 8308), (4154, 4382)]