18271820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130513}}^1$

素因数の和:130529

約数の個数: 24

約数和(自身を含む): 43852704

約数和(自身を除く): 25580884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130513, 261026, 522052, 652565, 913591, 1305130, 1827182, 2610260, 3654364, 4567955, 9135910, 18271820]

約数ペア:

[(1, 18271820), (2, 9135910), (4, 4567955), (5, 3654364), (7, 2610260), (10, 1827182), (14, 1305130), (20, 913591), (28, 652565), (35, 522052), (70, 261026), (140, 130513)]