19431244

素因数分解:

$2^2\times 7^2\times {\mathrm{99139}}^1$

素因数の和:99157

約数の個数: 18

約数和(自身を含む): 39556860

約数和(自身を除く): 20125616

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 99139, 198278, 396556, 693973, 1387946, 2775892, 4857811, 9715622, 19431244]

約数ペア:

[(1, 19431244), (2, 9715622), (4, 4857811), (7, 2775892), (14, 1387946), (28, 693973), (49, 396556), (98, 198278), (196, 99139)]