18938697

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{7901}}^1$

素因数の和:7968

約数の個数: 16

約数和(自身を含む): 27309312

約数和(自身を除く): 8370615

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 7901, 23703, 134317, 371347, 402951, 1114041, 6312899, 18938697]

約数ペア:

[(1, 18938697), (3, 6312899), (17, 1114041), (47, 402951), (51, 371347), (141, 134317), (799, 23703), (2397, 7901)]