18881373

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52889}}^1$

素因数の和:52916

約数の個数: 16

約数和(自身を含む): 30464640

約数和(自身を除く): 11583267

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52889, 158667, 370223, 899113, 1110669, 2697339, 6293791, 18881373]

約数ペア:

[(1, 18881373), (3, 6293791), (7, 2697339), (17, 1110669), (21, 899113), (51, 370223), (119, 158667), (357, 52889)]