19427386468

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{997}}^1\times {\mathrm{1429}}^1$

素因数の和:2924

約数の個数: 48

約数和(自身を含む): 39000881920

約数和(自身を除く): 19573495452

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 997, 1429, 1948, 1994, 2858, 3409, 3988, 5716, 6818, 6979, 10003, 13636, 13958, 20006, 27916, 40012, 485539, 695923, 971078, 1391846, 1424713, 1942156, 2783692, 2849426, 3398773, 4871461, 5698852, 6797546, 9742922, 9972991, 13595092, 19485844, 19945982, 39891964, 693835231, 1387670462, 2775340924, 4856846617, 9713693234, 19427386468]

約数ペア:

[(1, 19427386468), (2, 9713693234), (4, 4856846617), (7, 2775340924), (14, 1387670462), (28, 693835231), (487, 39891964), (974, 19945982), (997, 19485844), (1429, 13595092), (1948, 9972991), (1994, 9742922), (2858, 6797546), (3409, 5698852), (3988, 4871461), (5716, 3398773), (6818, 2849426), (6979, 2783692), (10003, 1942156), (13636, 1424713), (13958, 1391846), (20006, 971078), (27916, 695923), (40012, 485539)]