18787730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11117}}^1$

素因数の和:11150

約数の個数: 24

約数和(自身を含む): 36622692

約数和(自身を除く): 17834962

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11117, 22234, 55585, 111170, 144521, 289042, 722605, 1445210, 1878773, 3757546, 9393865, 18787730]

約数ペア:

[(1, 18787730), (2, 9393865), (5, 3757546), (10, 1878773), (13, 1445210), (26, 722605), (65, 289042), (130, 144521), (169, 111170), (338, 55585), (845, 22234), (1690, 11117)]