19290740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137791}}^1$

素因数の和:137807

約数の個数: 24

約数和(自身を含む): 46298112

約数和(自身を除く): 27007372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137791, 275582, 551164, 688955, 964537, 1377910, 1929074, 2755820, 3858148, 4822685, 9645370, 19290740]

約数ペア:

[(1, 19290740), (2, 9645370), (4, 4822685), (5, 3858148), (7, 2755820), (10, 1929074), (14, 1377910), (20, 964537), (28, 688955), (35, 551164), (70, 275582), (140, 137791)]