19996548

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 56297472

約数和(自身を除く): 36300924

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 43, 44, 52, 66, 78, 86, 129, 132, 143, 156, 172, 258, 271, 286, 429, 473, 516, 542, 559, 572, 813, 858, 946, 1084, 1118, 1419, 1626, 1677, 1716, 1892, 2236, 2838, 2981, 3252, 3354, 3523, 5676, 5962, 6149, 6708, 7046, 8943, 10569, 11653, 11924, 12298, 14092, 17886, 18447, 21138, 23306, 24596, 34959, 35772, 36894, 38753, 42276, 46612, 69918, 73788, 77506, 116259, 128183, 139836, 151489, 155012, 232518, 256366, 302978, 384549, 454467, 465036, 512732, 605956, 769098, 908934, 1538196, 1666379, 1817868, 3332758, 4999137, 6665516, 9998274, 19996548]

約数ペア:

[(1, 19996548), (2, 9998274), (3, 6665516), (4, 4999137), (6, 3332758), (11, 1817868), (12, 1666379), (13, 1538196), (22, 908934), (26, 769098), (33, 605956), (39, 512732), (43, 465036), (44, 454467), (52, 384549), (66, 302978), (78, 256366), (86, 232518), (129, 155012), (132, 151489), (143, 139836), (156, 128183), (172, 116259), (258, 77506), (271, 73788), (286, 69918), (429, 46612), (473, 42276), (516, 38753), (542, 36894), (559, 35772), (572, 34959), (813, 24596), (858, 23306), (946, 21138), (1084, 18447), (1118, 17886), (1419, 14092), (1626, 12298), (1677, 11924), (1716, 11653), (1892, 10569), (2236, 8943), (2838, 7046), (2981, 6708), (3252, 6149), (3354, 5962), (3523, 5676)]