19943129804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1951}}^1\times {\mathrm{3709}}^1$

素因数の和:5730

約数の個数: 48

約数和(自身を含む): 38324240640

約数和(自身を除く): 18381110836

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 1951, 2756, 3709, 3902, 7418, 7804, 14836, 25363, 48217, 50726, 96434, 101452, 103403, 192868, 196577, 206806, 393154, 413612, 786308, 1344239, 2555501, 2688478, 5111002, 5376956, 7236259, 10222004, 14472518, 28945036, 94071367, 188142734, 376285468, 383521727, 767043454, 1534086908, 4985782451, 9971564902, 19943129804]

約数ペア:

[(1, 19943129804), (2, 9971564902), (4, 4985782451), (13, 1534086908), (26, 767043454), (52, 383521727), (53, 376285468), (106, 188142734), (212, 94071367), (689, 28945036), (1378, 14472518), (1951, 10222004), (2756, 7236259), (3709, 5376956), (3902, 5111002), (7418, 2688478), (7804, 2555501), (14836, 1344239), (25363, 786308), (48217, 413612), (50726, 393154), (96434, 206806), (101452, 196577), (103403, 192868)]