19704159

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 30466800

約数和(自身を除く): 10762641

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 1889, 3477, 5667, 10431, 17001, 35891, 107673, 115229, 323019, 345687, 1037061, 2189351, 6568053, 19704159]

約数ペア:

[(1, 19704159), (3, 6568053), (9, 2189351), (19, 1037061), (57, 345687), (61, 323019), (171, 115229), (183, 107673), (549, 35891), (1159, 17001), (1889, 10431), (3477, 5667)]