19686828

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{4783}}^1$

素因数の和:4811

約数の個数: 48

約数和(自身を含む): 53580800

約数和(自身を除く): 33893972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 4783, 9566, 14349, 19132, 28698, 33481, 57396, 66962, 100443, 133924, 200886, 234367, 401772, 468734, 703101, 937468, 1406202, 1640569, 2812404, 3281138, 4921707, 6562276, 9843414, 19686828]

約数ペア:

[(1, 19686828), (2, 9843414), (3, 6562276), (4, 4921707), (6, 3281138), (7, 2812404), (12, 1640569), (14, 1406202), (21, 937468), (28, 703101), (42, 468734), (49, 401772), (84, 234367), (98, 200886), (147, 133924), (196, 100443), (294, 66962), (343, 57396), (588, 33481), (686, 28698), (1029, 19132), (1372, 14349), (2058, 9566), (4116, 4783)]