18985744

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{25247}}^1$

素因数の和:25302

約数の個数: 20

約数和(自身を含む): 37569024

約数和(自身を除く): 18583280

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 25247, 50494, 100988, 201976, 403952, 1186609, 2373218, 4746436, 9492872, 18985744]

約数ペア:

[(1, 18985744), (2, 9492872), (4, 4746436), (8, 2373218), (16, 1186609), (47, 403952), (94, 201976), (188, 100988), (376, 50494), (752, 25247)]