20132514

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 48288240

約数和(自身を除く): 28155726

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 43, 57, 74, 86, 111, 114, 129, 171, 222, 258, 333, 342, 387, 666, 703, 774, 817, 1369, 1406, 1591, 1634, 2109, 2451, 2738, 3182, 4107, 4218, 4773, 4902, 6327, 7353, 8214, 9546, 12321, 12654, 14319, 14706, 24642, 26011, 28638, 30229, 52022, 58867, 60458, 78033, 90687, 117734, 156066, 176601, 181374, 234099, 272061, 353202, 468198, 529803, 544122, 1059606, 1118473, 2236946, 3355419, 6710838, 10066257, 20132514]

約数ペア:

[(1, 20132514), (2, 10066257), (3, 6710838), (6, 3355419), (9, 2236946), (18, 1118473), (19, 1059606), (37, 544122), (38, 529803), (43, 468198), (57, 353202), (74, 272061), (86, 234099), (111, 181374), (114, 176601), (129, 156066), (171, 117734), (222, 90687), (258, 78033), (333, 60458), (342, 58867), (387, 52022), (666, 30229), (703, 28638), (774, 26011), (817, 24642), (1369, 14706), (1406, 14319), (1591, 12654), (1634, 12321), (2109, 9546), (2451, 8214), (2738, 7353), (3182, 6327), (4107, 4902), (4218, 4773)]