19874708

素因数分解:

$2^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1087}}^1$

素因数の和:1751

約数の個数: 24

約数和(自身を含む): 39846912

約数和(自身を除く): 19972204

約数列:

[1, 2, 4, 7, 14, 28, 653, 1087, 1306, 2174, 2612, 4348, 4571, 7609, 9142, 15218, 18284, 30436, 709811, 1419622, 2839244, 4968677, 9937354, 19874708]

約数ペア:

[(1, 19874708), (2, 9937354), (4, 4968677), (7, 2839244), (14, 1419622), (28, 709811), (653, 30436), (1087, 18284), (1306, 15218), (2174, 9142), (2612, 7609), (4348, 4571)]