2018297974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 3826870272

約数和(自身を除く): 1808572298

約数列:

[1, 2, 7, 11, 14, 22, 77, 137, 154, 271, 274, 353, 542, 706, 959, 1507, 1897, 1918, 2471, 2981, 3014, 3794, 3883, 4942, 5962, 7766, 10549, 20867, 21098, 27181, 37127, 41734, 48361, 54362, 74254, 95663, 96722, 191326, 259889, 338527, 408397, 519778, 531971, 669641, 677054, 816794, 1052293, 1063942, 1339282, 2104586, 2858779, 3723797, 5717558, 7366051, 7447594, 13105831, 14732102, 26211662, 91740817, 144164141, 183481634, 288328282, 1009148987, 2018297974]

約数ペア:

[(1, 2018297974), (2, 1009148987), (7, 288328282), (11, 183481634), (14, 144164141), (22, 91740817), (77, 26211662), (137, 14732102), (154, 13105831), (271, 7447594), (274, 7366051), (353, 5717558), (542, 3723797), (706, 2858779), (959, 2104586), (1507, 1339282), (1897, 1063942), (1918, 1052293), (2471, 816794), (2981, 677054), (3014, 669641), (3794, 531971), (3883, 519778), (4942, 408397), (5962, 338527), (7766, 259889), (10549, 191326), (20867, 96722), (21098, 95663), (27181, 74254), (37127, 54362), (41734, 48361)]