19773160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44939}}^1$

素因数の和:44961

約数の個数: 32

約数和(自身を含む): 48535200

約数和(自身を除く): 28762040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44939, 89878, 179756, 224695, 359512, 449390, 494329, 898780, 988658, 1797560, 1977316, 2471645, 3954632, 4943290, 9886580, 19773160]

約数ペア:

[(1, 19773160), (2, 9886580), (4, 4943290), (5, 3954632), (8, 2471645), (10, 1977316), (11, 1797560), (20, 988658), (22, 898780), (40, 494329), (44, 449390), (55, 359512), (88, 224695), (110, 179756), (220, 89878), (440, 44939)]