19825820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141613}}^1$

素因数の和:141629

約数の個数: 24

約数和(自身を含む): 47582304

約数和(自身を除く): 27756484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141613, 283226, 566452, 708065, 991291, 1416130, 1982582, 2832260, 3965164, 4956455, 9912910, 19825820]

約数ペア:

[(1, 19825820), (2, 9912910), (4, 4956455), (5, 3965164), (7, 2832260), (10, 1982582), (14, 1416130), (20, 991291), (28, 708065), (35, 566452), (70, 283226), (140, 141613)]