19154520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1$

素因数の和:726

約数の個数: 192

約数和(自身を含む): 77725440

約数和(自身を除く): 58570920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 691, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1382, 1386, 1540, 1848, 1980, 2073, 2310, 2520, 2764, 2772, 3080, 3455, 3465, 3960, 4146, 4620, 4837, 5528, 5544, 6219, 6910, 6930, 7601, 8292, 9240, 9674, 10365, 12438, 13820, 13860, 14511, 15202, 16584, 19348, 20730, 22803, 24185, 24876, 27640, 27720, 29022, 30404, 31095, 38005, 38696, 41460, 43533, 45606, 48370, 49752, 53207, 58044, 60808, 62190, 68409, 72555, 76010, 82920, 87066, 91212, 96740, 106414, 114015, 116088, 124380, 136818, 145110, 152020, 159621, 174132, 182424, 193480, 212828, 217665, 228030, 248760, 266035, 273636, 290220, 304040, 319242, 342045, 348264, 425656, 435330, 456060, 478863, 532070, 547272, 580440, 638484, 684090, 798105, 870660, 912120, 957726, 1064140, 1276968, 1368180, 1596210, 1741320, 1915452, 2128280, 2394315, 2736360, 3192420, 3830904, 4788630, 6384840, 9577260, 19154520]

約数ペア:

[(1, 19154520), (2, 9577260), (3, 6384840), (4, 4788630), (5, 3830904), (6, 3192420), (7, 2736360), (8, 2394315), (9, 2128280), (10, 1915452), (11, 1741320), (12, 1596210), (14, 1368180), (15, 1276968), (18, 1064140), (20, 957726), (21, 912120), (22, 870660), (24, 798105), (28, 684090), (30, 638484), (33, 580440), (35, 547272), (36, 532070), (40, 478863), (42, 456060), (44, 435330), (45, 425656), (55, 348264), (56, 342045), (60, 319242), (63, 304040), (66, 290220), (70, 273636), (72, 266035), (77, 248760), (84, 228030), (88, 217665), (90, 212828), (99, 193480), (105, 182424), (110, 174132), (120, 159621), (126, 152020), (132, 145110), (140, 136818), (154, 124380), (165, 116088), (168, 114015), (180, 106414), (198, 96740), (210, 91212), (220, 87066), (231, 82920), (252, 76010), (264, 72555), (280, 68409), (308, 62190), (315, 60808), (330, 58044), (360, 53207), (385, 49752), (396, 48370), (420, 45606), (440, 43533), (462, 41460), (495, 38696), (504, 38005), (616, 31095), (630, 30404), (660, 29022), (691, 27720), (693, 27640), (770, 24876), (792, 24185), (840, 22803), (924, 20730), (990, 19348), (1155, 16584), (1260, 15202), (1320, 14511), (1382, 13860), (1386, 13820), (1540, 12438), (1848, 10365), (1980, 9674), (2073, 9240), (2310, 8292), (2520, 7601), (2764, 6930), (2772, 6910), (3080, 6219), (3455, 5544), (3465, 5528), (3960, 4837), (4146, 4620)]