19311160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43889}}^1$

素因数の和:43911

約数の個数: 32

約数和(自身を含む): 47401200

約数和(自身を除く): 28090040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43889, 87778, 175556, 219445, 351112, 438890, 482779, 877780, 965558, 1755560, 1931116, 2413895, 3862232, 4827790, 9655580, 19311160]

約数ペア:

[(1, 19311160), (2, 9655580), (4, 4827790), (5, 3862232), (8, 2413895), (10, 1931116), (11, 1755560), (20, 965558), (22, 877780), (40, 482779), (44, 438890), (55, 351112), (88, 219445), (110, 175556), (220, 87778), (440, 43889)]