19782451444

素因数分解:

$2^2\times 7^1\times {\mathrm{9551}}^1\times {\mathrm{73973}}^1$

素因数の和:83535

約数の個数: 24

約数和(自身を含む): 39569580288

約数和(自身を除く): 19787128844

約数列:

[1, 2, 4, 7, 14, 28, 9551, 19102, 38204, 66857, 73973, 133714, 147946, 267428, 295892, 517811, 1035622, 2071244, 706516123, 1413032246, 2826064492, 4945612861, 9891225722, 19782451444]

約数ペア:

[(1, 19782451444), (2, 9891225722), (4, 4945612861), (7, 2826064492), (14, 1413032246), (28, 706516123), (9551, 2071244), (19102, 1035622), (38204, 517811), (66857, 295892), (73973, 267428), (133714, 147946)]