19654310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4877}}^1$

素因数の和:4928

約数の個数: 32

約数和(自身を含む): 39336192

約数和(自身を除く): 19681882

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4877, 9754, 24385, 48770, 63401, 126802, 151187, 302374, 317005, 634010, 755935, 1511870, 1965431, 3930862, 9827155, 19654310]

約数ペア:

[(1, 19654310), (2, 9827155), (5, 3930862), (10, 1965431), (13, 1511870), (26, 755935), (31, 634010), (62, 317005), (65, 302374), (130, 151187), (155, 126802), (310, 63401), (403, 48770), (806, 24385), (2015, 9754), (4030, 4877)]