19378844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 19086436

約数列:

[1, 2, 4, 17, 29, 31, 34, 58, 62, 68, 116, 124, 317, 493, 527, 634, 899, 986, 1054, 1268, 1798, 1972, 2108, 3596, 5389, 9193, 9827, 10778, 15283, 18386, 19654, 21556, 30566, 36772, 39308, 61132, 156281, 167059, 284983, 312562, 334118, 569966, 625124, 668236, 1139932, 4844711, 9689422, 19378844]

約数ペア:

[(1, 19378844), (2, 9689422), (4, 4844711), (17, 1139932), (29, 668236), (31, 625124), (34, 569966), (58, 334118), (62, 312562), (68, 284983), (116, 167059), (124, 156281), (317, 61132), (493, 39308), (527, 36772), (634, 30566), (899, 21556), (986, 19654), (1054, 18386), (1268, 15283), (1798, 10778), (1972, 9827), (2108, 9193), (3596, 5389)]