19509730990

素因数分解:

$2^1\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{1232453}}^1$

素因数の和:1234043

約数の個数: 16

約数和(自身を含む): 35139728448

約数和(自身を除く): 15629997458

約数列:

[1, 2, 5, 10, 1583, 3166, 7915, 15830, 1232453, 2464906, 6162265, 12324530, 1950973099, 3901946198, 9754865495, 19509730990]

約数ペア:

[(1, 19509730990), (2, 9754865495), (5, 3901946198), (10, 1950973099), (1583, 12324530), (3166, 6162265), (7915, 2464906), (15830, 1232453)]