19475388

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 52660608

約数和(自身を除く): 33185220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 547, 774, 828, 989, 1094, 1548, 1641, 1978, 2188, 2967, 3282, 3956, 4923, 5934, 6564, 8901, 9846, 11868, 12581, 17802, 19692, 23521, 25162, 35604, 37743, 47042, 50324, 70563, 75486, 94084, 113229, 141126, 150972, 211689, 226458, 282252, 423378, 452916, 540983, 846756, 1081966, 1622949, 2163932, 3245898, 4868847, 6491796, 9737694, 19475388]

約数ペア:

[(1, 19475388), (2, 9737694), (3, 6491796), (4, 4868847), (6, 3245898), (9, 2163932), (12, 1622949), (18, 1081966), (23, 846756), (36, 540983), (43, 452916), (46, 423378), (69, 282252), (86, 226458), (92, 211689), (129, 150972), (138, 141126), (172, 113229), (207, 94084), (258, 75486), (276, 70563), (387, 50324), (414, 47042), (516, 37743), (547, 35604), (774, 25162), (828, 23521), (989, 19692), (1094, 17802), (1548, 12581), (1641, 11868), (1978, 9846), (2188, 8901), (2967, 6564), (3282, 5934), (3956, 4923)]