19490868

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1458

約数の個数: 60

約数和(自身を含む): 52175200

約数和(自身を除く): 32684332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1399, 1548, 2322, 2798, 3483, 4197, 4644, 5596, 6966, 8394, 12591, 13932, 16788, 25182, 37773, 50364, 60157, 75546, 113319, 120314, 151092, 180471, 226638, 240628, 360942, 453276, 541413, 721884, 1082826, 1624239, 2165652, 3248478, 4872717, 6496956, 9745434, 19490868]

約数ペア:

[(1, 19490868), (2, 9745434), (3, 6496956), (4, 4872717), (6, 3248478), (9, 2165652), (12, 1624239), (18, 1082826), (27, 721884), (36, 541413), (43, 453276), (54, 360942), (81, 240628), (86, 226638), (108, 180471), (129, 151092), (162, 120314), (172, 113319), (258, 75546), (324, 60157), (387, 50364), (516, 37773), (774, 25182), (1161, 16788), (1399, 13932), (1548, 12591), (2322, 8394), (2798, 6966), (3483, 5596), (4197, 4644)]