19783824

素因数分解:

$2^4\times 3^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1295

約数の個数: 40

約数和(自身を含む): 51267552

約数和(自身を除く): 31483728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 641, 643, 1282, 1286, 1923, 1929, 2564, 2572, 3846, 3858, 5128, 5144, 7692, 7716, 10256, 10288, 15384, 15432, 30768, 30864, 412163, 824326, 1236489, 1648652, 2472978, 3297304, 4945956, 6594608, 9891912, 19783824]

約数ペア:

[(1, 19783824), (2, 9891912), (3, 6594608), (4, 4945956), (6, 3297304), (8, 2472978), (12, 1648652), (16, 1236489), (24, 824326), (48, 412163), (641, 30864), (643, 30768), (1282, 15432), (1286, 15384), (1923, 10288), (1929, 10256), (2564, 7716), (2572, 7692), (3846, 5144), (3858, 5128)]