19649061

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 11714139

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 159, 199, 207, 477, 597, 621, 1219, 1431, 1791, 1863, 3657, 4293, 4577, 5373, 10547, 10971, 13731, 16119, 31641, 32913, 41193, 94923, 98739, 123579, 242581, 284769, 370737, 727743, 854307, 2183229, 6549687, 19649061]

約数ペア:

[(1, 19649061), (3, 6549687), (9, 2183229), (23, 854307), (27, 727743), (53, 370737), (69, 284769), (81, 242581), (159, 123579), (199, 98739), (207, 94923), (477, 41193), (597, 32913), (621, 31641), (1219, 16119), (1431, 13731), (1791, 10971), (1863, 10547), (3657, 5373), (4293, 4577)]