19479387

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 8905893

約数列:

[1, 3, 29, 41, 43, 87, 123, 127, 129, 381, 1189, 1247, 1763, 3567, 3683, 3741, 5207, 5289, 5461, 11049, 15621, 16383, 51127, 151003, 153381, 158369, 223901, 453009, 475107, 671703, 6493129, 19479387]

約数ペア:

[(1, 19479387), (3, 6493129), (29, 671703), (41, 475107), (43, 453009), (87, 223901), (123, 158369), (127, 153381), (129, 151003), (381, 51127), (1189, 16383), (1247, 15621), (1763, 11049), (3567, 5461), (3683, 5289), (3741, 5207)]