19639476

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4229}}^1$

素因数の和:4285

約数の個数: 48

約数和(自身を含む): 52113600

約数和(自身を除く): 32474124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4229, 4644, 8458, 12687, 16916, 25374, 38061, 50748, 76122, 114183, 152244, 181847, 228366, 363694, 456732, 545541, 727388, 1091082, 1636623, 2182164, 3273246, 4909869, 6546492, 9819738, 19639476]

約数ペア:

[(1, 19639476), (2, 9819738), (3, 6546492), (4, 4909869), (6, 3273246), (9, 2182164), (12, 1636623), (18, 1091082), (27, 727388), (36, 545541), (43, 456732), (54, 363694), (86, 228366), (108, 181847), (129, 152244), (172, 114183), (258, 76122), (387, 50748), (516, 38061), (774, 25374), (1161, 16916), (1548, 12687), (2322, 8458), (4229, 4644)]