19855484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1451}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 38054016

約数和(自身を除く): 18198532

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1451, 2902, 3421, 5804, 6842, 13684, 15961, 31922, 63844, 451261, 902522, 1805044, 4963871, 9927742, 19855484]

約数ペア:

[(1, 19855484), (2, 9927742), (4, 4963871), (11, 1805044), (22, 902522), (44, 451261), (311, 63844), (622, 31922), (1244, 15961), (1451, 13684), (2902, 6842), (3421, 5804)]