19257755

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 25695600

約数和(自身を除く): 6437845

約数列:

[1, 5, 11, 55, 121, 139, 229, 605, 695, 1145, 1529, 2519, 7645, 12595, 16819, 27709, 31831, 84095, 138545, 159155, 350141, 1750705, 3851551, 19257755]

約数ペア:

[(1, 19257755), (5, 3851551), (11, 1750705), (55, 350141), (121, 159155), (139, 138545), (229, 84095), (605, 31831), (695, 27709), (1145, 16819), (1529, 12595), (2519, 7645)]