19391958

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{20327}}^1$

素因数の和:20388

約数の個数: 24

約数和(自身を含む): 42810768

約数和(自身を除く): 23418810

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 20327, 40654, 60981, 121962, 182943, 365886, 1077331, 2154662, 3231993, 6463986, 9695979, 19391958]

約数ペア:

[(1, 19391958), (2, 9695979), (3, 6463986), (6, 3231993), (9, 2154662), (18, 1077331), (53, 365886), (106, 182943), (159, 121962), (318, 60981), (477, 40654), (954, 20327)]