19844688208

素因数分解:

$2^4\times {\mathrm{1627}}^1\times {\mathrm{762319}}^1$

素因数の和:763954

約数の個数: 20

約数和(自身を含む): 38472765760

約数和(自身を除く): 18628077552

約数列:

[1, 2, 4, 8, 16, 1627, 3254, 6508, 13016, 26032, 762319, 1524638, 3049276, 6098552, 12197104, 1240293013, 2480586026, 4961172052, 9922344104, 19844688208]

約数ペア:

[(1, 19844688208), (2, 9922344104), (4, 4961172052), (8, 2480586026), (16, 1240293013), (1627, 12197104), (3254, 6098552), (6508, 3049276), (13016, 1524638), (26032, 762319)]