19939911

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{991}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 28093440

約数和(自身を除く): 8153529

約数列:

[1, 3, 19, 57, 353, 991, 1059, 2973, 6707, 18829, 20121, 56487, 349823, 1049469, 6646637, 19939911]

約数ペア:

[(1, 19939911), (3, 6646637), (19, 1049469), (57, 349823), (353, 56487), (991, 20121), (1059, 18829), (2973, 6707)]