19641160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:947

約数の個数: 96

約数和(自身を含む): 56142720

約数和(自身を除く): 36501560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 911, 980, 1078, 1540, 1822, 1960, 2156, 2695, 3080, 3644, 4312, 4555, 5390, 6377, 7288, 9110, 10021, 10780, 12754, 18220, 20042, 21560, 25508, 31885, 36440, 40084, 44639, 50105, 51016, 63770, 70147, 80168, 89278, 100210, 127540, 140294, 178556, 200420, 223195, 255080, 280588, 350735, 357112, 400840, 446390, 491029, 561176, 701470, 892780, 982058, 1402940, 1785560, 1964116, 2455145, 2805880, 3928232, 4910290, 9820580, 19641160]

約数ペア:

[(1, 19641160), (2, 9820580), (4, 4910290), (5, 3928232), (7, 2805880), (8, 2455145), (10, 1964116), (11, 1785560), (14, 1402940), (20, 982058), (22, 892780), (28, 701470), (35, 561176), (40, 491029), (44, 446390), (49, 400840), (55, 357112), (56, 350735), (70, 280588), (77, 255080), (88, 223195), (98, 200420), (110, 178556), (140, 140294), (154, 127540), (196, 100210), (220, 89278), (245, 80168), (280, 70147), (308, 63770), (385, 51016), (392, 50105), (440, 44639), (490, 40084), (539, 36440), (616, 31885), (770, 25508), (911, 21560), (980, 20042), (1078, 18220), (1540, 12754), (1822, 10780), (1960, 10021), (2156, 9110), (2695, 7288), (3080, 6377), (3644, 5390), (4312, 4555)]