19422680

素因数分解:

$2^3\times 5^1\times {\mathrm{485567}}^1$

素因数の和:485578

約数の個数: 16

約数和(自身を含む): 43701120

約数和(自身を除く): 24278440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 485567, 971134, 1942268, 2427835, 3884536, 4855670, 9711340, 19422680]

約数ペア:

[(1, 19422680), (2, 9711340), (4, 4855670), (5, 3884536), (8, 2427835), (10, 1942268), (20, 971134), (40, 485567)]