19651923

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 11037357

約数列:

[1, 3, 9, 27, 31, 53, 93, 159, 279, 443, 477, 837, 1329, 1431, 1643, 3987, 4929, 11961, 13733, 14787, 23479, 41199, 44361, 70437, 123597, 211311, 370791, 633933, 727849, 2183547, 6550641, 19651923]

約数ペア:

[(1, 19651923), (3, 6550641), (9, 2183547), (27, 727849), (31, 633933), (53, 370791), (93, 211311), (159, 123597), (279, 70437), (443, 44361), (477, 41199), (837, 23479), (1329, 14787), (1431, 13733), (1643, 11961), (3987, 4929)]