19722989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 23405760

約数和(自身を除く): 3682771

約数列:

[1, 11, 13, 107, 143, 1177, 1289, 1391, 14179, 15301, 16757, 137923, 184327, 1517153, 1792999, 19722989]

約数ペア:

[(1, 19722989), (11, 1792999), (13, 1517153), (107, 184327), (143, 137923), (1177, 16757), (1289, 15301), (1391, 14179)]