19776952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 40118400

約数和(自身を除く): 20341448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 397, 479, 794, 958, 1588, 1916, 3176, 3832, 5161, 6227, 10322, 12454, 20644, 24908, 41288, 49816, 190163, 380326, 760652, 1521304, 2472119, 4944238, 9888476, 19776952]

約数ペア:

[(1, 19776952), (2, 9888476), (4, 4944238), (8, 2472119), (13, 1521304), (26, 760652), (52, 380326), (104, 190163), (397, 49816), (479, 41288), (794, 24908), (958, 20644), (1588, 12454), (1916, 10322), (3176, 6227), (3832, 5161)]