1905399876

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^2\times {\mathrm{523}}^1$

素因数の和:626

約数の個数: 108

約数和(自身を含む): 4868917872

約数和(自身を除く): 2963517996

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 361, 523, 551, 722, 841, 1046, 1083, 1102, 1444, 1569, 1653, 1682, 2092, 2166, 2204, 2523, 3138, 3306, 3364, 4332, 5046, 6276, 6612, 9937, 10092, 10469, 15167, 15979, 19874, 20938, 29811, 30334, 31407, 31958, 39748, 41876, 45501, 47937, 59622, 60668, 62814, 63916, 91002, 95874, 119244, 125628, 182004, 188803, 191748, 288173, 303601, 377606, 439843, 566409, 576346, 607202, 755212, 864519, 879686, 910803, 1132818, 1152692, 1214404, 1319529, 1729038, 1759372, 1821606, 2265636, 2639058, 3458076, 3643212, 5278116, 5475287, 8357017, 10950574, 16425861, 16714034, 21901148, 25071051, 32851722, 33428068, 50142102, 65703444, 100284204, 158783323, 317566646, 476349969, 635133292, 952699938, 1905399876]

約数ペア:

[(1, 1905399876), (2, 952699938), (3, 635133292), (4, 476349969), (6, 317566646), (12, 158783323), (19, 100284204), (29, 65703444), (38, 50142102), (57, 33428068), (58, 32851722), (76, 25071051), (87, 21901148), (114, 16714034), (116, 16425861), (174, 10950574), (228, 8357017), (348, 5475287), (361, 5278116), (523, 3643212), (551, 3458076), (722, 2639058), (841, 2265636), (1046, 1821606), (1083, 1759372), (1102, 1729038), (1444, 1319529), (1569, 1214404), (1653, 1152692), (1682, 1132818), (2092, 910803), (2166, 879686), (2204, 864519), (2523, 755212), (3138, 607202), (3306, 576346), (3364, 566409), (4332, 439843), (5046, 377606), (6276, 303601), (6612, 288173), (9937, 191748), (10092, 188803), (10469, 182004), (15167, 125628), (15979, 119244), (19874, 95874), (20938, 91002), (29811, 63916), (30334, 62814), (31407, 60668), (31958, 59622), (39748, 47937), (41876, 45501)]