18477842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{1123}}^1$

素因数の和:1577

約数の個数: 16

約数和(自身を含む): 29268960

約数和(自身を除く): 10791118

約数列:

[1, 2, 19, 38, 433, 866, 1123, 2246, 8227, 16454, 21337, 42674, 486259, 972518, 9238921, 18477842]

約数ペア:

[(1, 18477842), (2, 9238921), (19, 972518), (38, 486259), (433, 42674), (866, 21337), (1123, 16454), (2246, 8227)]