18230780

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4723}}^1$

素因数の和:4925

約数の個数: 24

約数和(自身を含む): 38491152

約数和(自身を除く): 20260372

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 4723, 9446, 18892, 23615, 47230, 94460, 911539, 1823078, 3646156, 4557695, 9115390, 18230780]

約数ペア:

[(1, 18230780), (2, 9115390), (4, 4557695), (5, 3646156), (10, 1823078), (20, 911539), (193, 94460), (386, 47230), (772, 23615), (965, 18892), (1930, 9446), (3860, 4723)]