19892140

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4127}}^1$

素因数の和:4377

約数の個数: 24

約数和(自身を含む): 41956992

約数和(自身を除く): 22064852

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4127, 4820, 8254, 16508, 20635, 41270, 82540, 994607, 1989214, 3978428, 4973035, 9946070, 19892140]

約数ペア:

[(1, 19892140), (2, 9946070), (4, 4973035), (5, 3978428), (10, 1989214), (20, 994607), (241, 82540), (482, 41270), (964, 20635), (1205, 16508), (2410, 8254), (4127, 4820)]