19497236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1277}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 37358496

約数和(自身を除く): 17861260

約数列:

[1, 2, 4, 11, 22, 44, 347, 694, 1277, 1388, 2554, 3817, 5108, 7634, 14047, 15268, 28094, 56188, 443119, 886238, 1772476, 4874309, 9748618, 19497236]

約数ペア:

[(1, 19497236), (2, 9748618), (4, 4874309), (11, 1772476), (22, 886238), (44, 443119), (347, 56188), (694, 28094), (1277, 15268), (1388, 14047), (2554, 7634), (3817, 5108)]