18522316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 34455456

約数和(自身を除く): 15933140

約数列:

[1, 2, 4, 17, 34, 68, 421, 647, 842, 1294, 1684, 2588, 7157, 10999, 14314, 21998, 28628, 43996, 272387, 544774, 1089548, 4630579, 9261158, 18522316]

約数ペア:

[(1, 18522316), (2, 9261158), (4, 4630579), (17, 1089548), (34, 544774), (68, 272387), (421, 43996), (647, 28628), (842, 21998), (1294, 14314), (1684, 10999), (2588, 7157)]