19784744

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7517}}^1$

素因数の和:7577

約数の個数: 32

約数和(自身を含む): 43303680

約数和(自身を除く): 23518936

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7517, 15034, 30068, 52619, 60136, 105238, 210476, 353299, 420952, 706598, 1413196, 2473093, 2826392, 4946186, 9892372, 19784744]

約数ペア:

[(1, 19784744), (2, 9892372), (4, 4946186), (7, 2826392), (8, 2473093), (14, 1413196), (28, 706598), (47, 420952), (56, 353299), (94, 210476), (188, 105238), (329, 60136), (376, 52619), (658, 30068), (1316, 15034), (2632, 7517)]