19209405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 33032448

約数和(自身を除く): 13823043

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1061, 1065, 1207, 3183, 3621, 5305, 6035, 15915, 18037, 18105, 54111, 75331, 90185, 225993, 270555, 376655, 1129965, 1280627, 3841881, 6403135, 19209405]

約数ペア:

[(1, 19209405), (3, 6403135), (5, 3841881), (15, 1280627), (17, 1129965), (51, 376655), (71, 270555), (85, 225993), (213, 90185), (255, 75331), (355, 54111), (1061, 18105), (1065, 18037), (1207, 15915), (3183, 6035), (3621, 5305)]