2019945213412

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7537}}^1\times {\mathrm{258691}}^1$

素因数の和:266276

約数の個数: 48

約数和(自身を含む): 4149643189888

約数和(自身を除く): 2129697976476

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 7537, 15074, 30148, 52759, 105518, 211036, 258691, 278869, 517382, 557738, 1034764, 1115476, 1810837, 1952083, 3621674, 3904166, 7243348, 7808332, 9571567, 19143134, 38286268, 67000969, 134001938, 268003876, 1949754067, 3899508134, 7799016268, 13648278469, 27296556938, 54593113876, 72140900479, 144281800958, 288563601916, 504986303353, 1009972606706, 2019945213412]

約数ペア:

[(1, 2019945213412), (2, 1009972606706), (4, 504986303353), (7, 288563601916), (14, 144281800958), (28, 72140900479), (37, 54593113876), (74, 27296556938), (148, 13648278469), (259, 7799016268), (518, 3899508134), (1036, 1949754067), (7537, 268003876), (15074, 134001938), (30148, 67000969), (52759, 38286268), (105518, 19143134), (211036, 9571567), (258691, 7808332), (278869, 7243348), (517382, 3904166), (557738, 3621674), (1034764, 1952083), (1115476, 1810837)]