19206440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43651}}^1$

素因数の和:43673

約数の個数: 32

約数和(自身を含む): 47144160

約数和(自身を除く): 27937720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43651, 87302, 174604, 218255, 349208, 436510, 480161, 873020, 960322, 1746040, 1920644, 2400805, 3841288, 4801610, 9603220, 19206440]

約数ペア:

[(1, 19206440), (2, 9603220), (4, 4801610), (5, 3841288), (8, 2400805), (10, 1920644), (11, 1746040), (20, 960322), (22, 873020), (40, 480161), (44, 436510), (55, 349208), (88, 218255), (110, 174604), (220, 87302), (440, 43651)]