19997958

素因数分解:

$2^1\times 3^1\times {\mathrm{1669}}^1\times {\mathrm{1997}}^1$

素因数の和:3671

約数の個数: 16

約数和(自身を含む): 40039920

約数和(自身を除く): 20041962

約数列:

[1, 2, 3, 6, 1669, 1997, 3338, 3994, 5007, 5991, 10014, 11982, 3332993, 6665986, 9998979, 19997958]

約数ペア:

[(1, 19997958), (2, 9998979), (3, 6665986), (6, 3332993), (1669, 11982), (1997, 10014), (3338, 5991), (3994, 5007)]