19737016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1879}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 40269600

約数和(自身を除く): 20532584

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 1879, 2626, 3758, 5252, 7516, 10504, 15032, 24427, 48854, 97708, 189779, 195416, 379558, 759116, 1518232, 2467127, 4934254, 9868508, 19737016]

約数ペア:

[(1, 19737016), (2, 9868508), (4, 4934254), (8, 2467127), (13, 1518232), (26, 759116), (52, 379558), (101, 195416), (104, 189779), (202, 97708), (404, 48854), (808, 24427), (1313, 15032), (1879, 10504), (2626, 7516), (3758, 5252)]