19864185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 15110535

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 919, 1441, 1965, 2757, 4323, 4595, 7205, 10109, 13785, 21615, 30327, 50545, 120389, 151635, 361167, 601945, 1324279, 1805835, 3972837, 6621395, 19864185]

約数ペア:

[(1, 19864185), (3, 6621395), (5, 3972837), (11, 1805835), (15, 1324279), (33, 601945), (55, 361167), (131, 151635), (165, 120389), (393, 50545), (655, 30327), (919, 21615), (1441, 13785), (1965, 10109), (2757, 7205), (4323, 4595)]