19401471

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 11771649

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 983, 1161, 2193, 2949, 6579, 8847, 16711, 19737, 26541, 42269, 50133, 126807, 150399, 380421, 451197, 718573, 1141263, 2155719, 6467157, 19401471]

約数ペア:

[(1, 19401471), (3, 6467157), (9, 2155719), (17, 1141263), (27, 718573), (43, 451197), (51, 380421), (129, 150399), (153, 126807), (387, 50133), (459, 42269), (731, 26541), (983, 19737), (1161, 16711), (2193, 8847), (2949, 6579)]