19785564

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17729}}^1$

素因数の和:17770

約数の個数: 36

約数和(自身を含む): 51629760

約数和(自身を除く): 31844196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17729, 35458, 53187, 70916, 106374, 159561, 212748, 319122, 549599, 638244, 1099198, 1648797, 2198396, 3297594, 4946391, 6595188, 9892782, 19785564]

約数ペア:

[(1, 19785564), (2, 9892782), (3, 6595188), (4, 4946391), (6, 3297594), (9, 2198396), (12, 1648797), (18, 1099198), (31, 638244), (36, 549599), (62, 319122), (93, 212748), (124, 159561), (186, 106374), (279, 70916), (372, 53187), (558, 35458), (1116, 17729)]