19661528

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 37802160

約数和(自身を除く): 18140632

約数列:

[1, 2, 4, 8, 73, 131, 146, 257, 262, 292, 514, 524, 584, 1028, 1048, 2056, 9563, 18761, 19126, 33667, 37522, 38252, 67334, 75044, 76504, 134668, 150088, 269336, 2457691, 4915382, 9830764, 19661528]

約数ペア:

[(1, 19661528), (2, 9830764), (4, 4915382), (8, 2457691), (73, 269336), (131, 150088), (146, 134668), (257, 76504), (262, 75044), (292, 67334), (514, 38252), (524, 37522), (584, 33667), (1028, 19126), (1048, 18761), (2056, 9563)]