19518444316

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{25013}}^1$

素因数の和:25115

約数の個数: 72

約数和(自身を含む): 41729355360

約数和(自身を除く): 22210911044

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 812, 868, 899, 961, 1798, 1922, 3596, 3844, 6293, 6727, 12586, 13454, 25013, 25172, 26908, 27869, 50026, 55738, 100052, 111476, 175091, 195083, 350182, 390166, 700364, 725377, 775403, 780332, 1450754, 1550806, 2901508, 3101612, 5077639, 5427821, 10155278, 10855642, 20310556, 21711284, 22486687, 24037493, 44973374, 48074986, 89946748, 96149972, 157406809, 168262451, 314813618, 336524902, 629627236, 673049804, 697087297, 1394174594, 2788349188, 4879611079, 9759222158, 19518444316]

約数ペア:

[(1, 19518444316), (2, 9759222158), (4, 4879611079), (7, 2788349188), (14, 1394174594), (28, 697087297), (29, 673049804), (31, 629627236), (58, 336524902), (62, 314813618), (116, 168262451), (124, 157406809), (203, 96149972), (217, 89946748), (406, 48074986), (434, 44973374), (812, 24037493), (868, 22486687), (899, 21711284), (961, 20310556), (1798, 10855642), (1922, 10155278), (3596, 5427821), (3844, 5077639), (6293, 3101612), (6727, 2901508), (12586, 1550806), (13454, 1450754), (25013, 780332), (25172, 775403), (26908, 725377), (27869, 700364), (50026, 390166), (55738, 350182), (100052, 195083), (111476, 175091)]