19664031

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 28187904

約数和(自身を除く): 8523873

約数列:

[1, 3, 19, 57, 67, 201, 271, 361, 813, 1083, 1273, 3819, 5149, 15447, 18157, 24187, 54471, 72561, 97831, 293493, 344983, 1034949, 6554677, 19664031]

約数ペア:

[(1, 19664031), (3, 6554677), (19, 1034949), (57, 344983), (67, 293493), (201, 97831), (271, 72561), (361, 54471), (813, 24187), (1083, 18157), (1273, 15447), (3819, 5149)]