19149728

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3541}}^1$

素因数の和:3577

約数の個数: 36

約数和(自身を含む): 40835718

約数和(自身を除く): 21685990

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3541, 5408, 7082, 14164, 28328, 46033, 56656, 92066, 113312, 184132, 368264, 598429, 736528, 1196858, 1473056, 2393716, 4787432, 9574864, 19149728]

約数ペア:

[(1, 19149728), (2, 9574864), (4, 4787432), (8, 2393716), (13, 1473056), (16, 1196858), (26, 736528), (32, 598429), (52, 368264), (104, 184132), (169, 113312), (208, 92066), (338, 56656), (416, 46033), (676, 28328), (1352, 14164), (2704, 7082), (3541, 5408)]