19913982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1667}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 43714944

約数和(自身を除く): 23800962

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 181, 362, 543, 1086, 1667, 1991, 3334, 3982, 5001, 5973, 10002, 11946, 18337, 36674, 55011, 110022, 301727, 603454, 905181, 1810362, 3318997, 6637994, 9956991, 19913982]

約数ペア:

[(1, 19913982), (2, 9956991), (3, 6637994), (6, 3318997), (11, 1810362), (22, 905181), (33, 603454), (66, 301727), (181, 110022), (362, 55011), (543, 36674), (1086, 18337), (1667, 11946), (1991, 10002), (3334, 5973), (3982, 5001)]