19564803

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 29037008

約数和(自身を除く): 9472205

約数列:

[1, 3, 9, 73, 97, 219, 291, 307, 657, 873, 921, 2763, 7081, 21243, 22411, 29779, 63729, 67233, 89337, 201699, 268011, 2173867, 6521601, 19564803]

約数ペア:

[(1, 19564803), (3, 6521601), (9, 2173867), (73, 268011), (97, 201699), (219, 89337), (291, 67233), (307, 63729), (657, 29779), (873, 22411), (921, 21243), (2763, 7081)]