19943572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 19795820

約数列:

[1, 2, 4, 11, 22, 43, 44, 83, 86, 127, 166, 172, 254, 332, 473, 508, 913, 946, 1397, 1826, 1892, 2794, 3569, 3652, 5461, 5588, 7138, 10541, 10922, 14276, 21082, 21844, 39259, 42164, 60071, 78518, 115951, 120142, 157036, 231902, 240284, 453263, 463804, 906526, 1813052, 4985893, 9971786, 19943572]

約数ペア:

[(1, 19943572), (2, 9971786), (4, 4985893), (11, 1813052), (22, 906526), (43, 463804), (44, 453263), (83, 240284), (86, 231902), (127, 157036), (166, 120142), (172, 115951), (254, 78518), (332, 60071), (473, 42164), (508, 39259), (913, 21844), (946, 21082), (1397, 14276), (1826, 10922), (1892, 10541), (2794, 7138), (3569, 5588), (3652, 5461)]