19953976

素因数分解:

$2^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 44015400

約数和(自身を除く): 24061424

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 109, 196, 218, 392, 436, 467, 763, 872, 934, 1526, 1868, 3052, 3269, 3736, 5341, 6104, 6538, 10682, 13076, 21364, 22883, 26152, 42728, 45766, 50903, 91532, 101806, 183064, 203612, 356321, 407224, 712642, 1425284, 2494247, 2850568, 4988494, 9976988, 19953976]

約数ペア:

[(1, 19953976), (2, 9976988), (4, 4988494), (7, 2850568), (8, 2494247), (14, 1425284), (28, 712642), (49, 407224), (56, 356321), (98, 203612), (109, 183064), (196, 101806), (218, 91532), (392, 50903), (436, 45766), (467, 42728), (763, 26152), (872, 22883), (934, 21364), (1526, 13076), (1868, 10682), (3052, 6538), (3269, 6104), (3736, 5341)]