19407980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26227}}^1$

素因数の和:26273

約数の個数: 24

約数和(自身を含む): 41859888

約数和(自身を除く): 22451908

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26227, 52454, 104908, 131135, 262270, 524540, 970399, 1940798, 3881596, 4851995, 9703990, 19407980]

約数ペア:

[(1, 19407980), (2, 9703990), (4, 4851995), (5, 3881596), (10, 1940798), (20, 970399), (37, 524540), (74, 262270), (148, 131135), (185, 104908), (370, 52454), (740, 26227)]