19807590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 52296192

約数和(自身を除く): 32488602

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 193, 311, 330, 386, 579, 622, 933, 965, 1158, 1555, 1866, 1930, 2123, 2895, 3110, 3421, 4246, 4665, 5790, 6369, 6842, 9330, 10263, 10615, 12738, 17105, 20526, 21230, 31845, 34210, 51315, 60023, 63690, 102630, 120046, 180069, 300115, 360138, 600230, 660253, 900345, 1320506, 1800690, 1980759, 3301265, 3961518, 6602530, 9903795, 19807590]

約数ペア:

[(1, 19807590), (2, 9903795), (3, 6602530), (5, 3961518), (6, 3301265), (10, 1980759), (11, 1800690), (15, 1320506), (22, 900345), (30, 660253), (33, 600230), (55, 360138), (66, 300115), (110, 180069), (165, 120046), (193, 102630), (311, 63690), (330, 60023), (386, 51315), (579, 34210), (622, 31845), (933, 21230), (965, 20526), (1158, 17105), (1555, 12738), (1866, 10615), (1930, 10263), (2123, 9330), (2895, 6842), (3110, 6369), (3421, 5790), (4246, 4665)]