18810260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134359}}^1$

素因数の和:134375

約数の個数: 24

約数和(自身を含む): 45144960

約数和(自身を除く): 26334700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134359, 268718, 537436, 671795, 940513, 1343590, 1881026, 2687180, 3762052, 4702565, 9405130, 18810260]

約数ペア:

[(1, 18810260), (2, 9405130), (4, 4702565), (5, 3762052), (7, 2687180), (10, 1881026), (14, 1343590), (20, 940513), (28, 671795), (35, 537436), (70, 268718), (140, 134359)]