19603220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10771}}^1$

素因数の和:10800

約数の個数: 48

約数和(自身を含む): 50671488

約数和(自身を除く): 31068268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10771, 21542, 43084, 53855, 75397, 107710, 140023, 150794, 215420, 280046, 301588, 376985, 560092, 700115, 753970, 980161, 1400230, 1507940, 1960322, 2800460, 3920644, 4900805, 9801610, 19603220]

約数ペア:

[(1, 19603220), (2, 9801610), (4, 4900805), (5, 3920644), (7, 2800460), (10, 1960322), (13, 1507940), (14, 1400230), (20, 980161), (26, 753970), (28, 700115), (35, 560092), (52, 376985), (65, 301588), (70, 280046), (91, 215420), (130, 150794), (140, 140023), (182, 107710), (260, 75397), (364, 53855), (455, 43084), (910, 21542), (1820, 10771)]