18749918

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77479}}^1$

素因数の和:77503

約数の個数: 12

約数和(自身を含む): 30914520

約数和(自身を除く): 12164602

約数列:

[1, 2, 11, 22, 121, 242, 77479, 154958, 852269, 1704538, 9374959, 18749918]

約数ペア:

[(1, 18749918), (2, 9374959), (11, 1704538), (22, 852269), (121, 154958), (242, 77479)]