19661616

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:425

約数の個数: 120

約数和(自身を含む): 61610640

約数和(自身を除く): 41949024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 389, 432, 468, 486, 624, 648, 702, 778, 936, 972, 1053, 1167, 1296, 1404, 1556, 1872, 1944, 2106, 2334, 2808, 3112, 3159, 3501, 3888, 4212, 4668, 5057, 5616, 6224, 6318, 7002, 8424, 9336, 10114, 10503, 12636, 14004, 15171, 16848, 18672, 20228, 21006, 25272, 28008, 30342, 31509, 40456, 42012, 45513, 50544, 56016, 60684, 63018, 80912, 84024, 91026, 94527, 121368, 126036, 136539, 168048, 182052, 189054, 242736, 252072, 273078, 364104, 378108, 409617, 504144, 546156, 728208, 756216, 819234, 1092312, 1228851, 1512432, 1638468, 2184624, 2457702, 3276936, 4915404, 6553872, 9830808, 19661616]

約数ペア:

[(1, 19661616), (2, 9830808), (3, 6553872), (4, 4915404), (6, 3276936), (8, 2457702), (9, 2184624), (12, 1638468), (13, 1512432), (16, 1228851), (18, 1092312), (24, 819234), (26, 756216), (27, 728208), (36, 546156), (39, 504144), (48, 409617), (52, 378108), (54, 364104), (72, 273078), (78, 252072), (81, 242736), (104, 189054), (108, 182052), (117, 168048), (144, 136539), (156, 126036), (162, 121368), (208, 94527), (216, 91026), (234, 84024), (243, 80912), (312, 63018), (324, 60684), (351, 56016), (389, 50544), (432, 45513), (468, 42012), (486, 40456), (624, 31509), (648, 30342), (702, 28008), (778, 25272), (936, 21006), (972, 20228), (1053, 18672), (1167, 16848), (1296, 15171), (1404, 14004), (1556, 12636), (1872, 10503), (1944, 10114), (2106, 9336), (2334, 8424), (2808, 7002), (3112, 6318), (3159, 6224), (3501, 5616), (3888, 5057), (4212, 4668)]