18894425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 25807872

約数和(自身を除く): 6913447

約数列:

[1, 5, 11, 25, 55, 127, 275, 541, 635, 1397, 2705, 3175, 5951, 6985, 13525, 29755, 34925, 68707, 148775, 343535, 755777, 1717675, 3778885, 18894425]

約数ペア:

[(1, 18894425), (5, 3778885), (11, 1717675), (25, 755777), (55, 343535), (127, 148775), (275, 68707), (541, 34925), (635, 29755), (1397, 13525), (2705, 6985), (3175, 5951)]