18503810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10949}}^1$

素因数の和:10982

約数の個数: 24

約数和(自身を含む): 36069300

約数和(自身を除く): 17565490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 10949, 21898, 54745, 109490, 142337, 284674, 711685, 1423370, 1850381, 3700762, 9251905, 18503810]

約数ペア:

[(1, 18503810), (2, 9251905), (5, 3700762), (10, 1850381), (13, 1423370), (26, 711685), (65, 284674), (130, 142337), (169, 109490), (338, 54745), (845, 21898), (1690, 10949)]