19822180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141587}}^1$

素因数の和:141603

約数の個数: 24

約数和(自身を含む): 47573568

約数和(自身を除く): 27751388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141587, 283174, 566348, 707935, 991109, 1415870, 1982218, 2831740, 3964436, 4955545, 9911090, 19822180]

約数ペア:

[(1, 19822180), (2, 9911090), (4, 4955545), (5, 3964436), (7, 2831740), (10, 1982218), (14, 1415870), (20, 991109), (28, 707935), (35, 566348), (70, 283174), (140, 141587)]