19040560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 55808928

約数和(自身を除く): 36768368

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 281, 308, 385, 440, 484, 560, 562, 605, 616, 770, 847, 880, 968, 1124, 1210, 1232, 1405, 1540, 1694, 1936, 1967, 2248, 2420, 2810, 3080, 3091, 3388, 3934, 4235, 4496, 4840, 5620, 6160, 6182, 6776, 7868, 8470, 9680, 9835, 11240, 12364, 13552, 15455, 15736, 16940, 19670, 21637, 22480, 24728, 30910, 31472, 33880, 34001, 39340, 43274, 49456, 61820, 67760, 68002, 78680, 86548, 108185, 123640, 136004, 157360, 170005, 173096, 216370, 238007, 247280, 272008, 340010, 346192, 432740, 476014, 544016, 680020, 865480, 952028, 1190035, 1360040, 1730960, 1904056, 2380070, 2720080, 3808112, 4760140, 9520280, 19040560]

約数ペア:

[(1, 19040560), (2, 9520280), (4, 4760140), (5, 3808112), (7, 2720080), (8, 2380070), (10, 1904056), (11, 1730960), (14, 1360040), (16, 1190035), (20, 952028), (22, 865480), (28, 680020), (35, 544016), (40, 476014), (44, 432740), (55, 346192), (56, 340010), (70, 272008), (77, 247280), (80, 238007), (88, 216370), (110, 173096), (112, 170005), (121, 157360), (140, 136004), (154, 123640), (176, 108185), (220, 86548), (242, 78680), (280, 68002), (281, 67760), (308, 61820), (385, 49456), (440, 43274), (484, 39340), (560, 34001), (562, 33880), (605, 31472), (616, 30910), (770, 24728), (847, 22480), (880, 21637), (968, 19670), (1124, 16940), (1210, 15736), (1232, 15455), (1405, 13552), (1540, 12364), (1694, 11240), (1936, 9835), (1967, 9680), (2248, 8470), (2420, 7868), (2810, 6776), (3080, 6182), (3091, 6160), (3388, 5620), (3934, 4840), (4235, 4496)]