19392460

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4057}}^1$

素因数の和:4305

約数の個数: 24

約数和(自身を含む): 40904640

約数和(自身を除く): 21512180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4057, 4780, 8114, 16228, 20285, 40570, 81140, 969623, 1939246, 3878492, 4848115, 9696230, 19392460]

約数ペア:

[(1, 19392460), (2, 9696230), (4, 4848115), (5, 3878492), (10, 1939246), (20, 969623), (239, 81140), (478, 40570), (956, 20285), (1195, 16228), (2390, 8114), (4057, 4780)]