19711384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2909}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 46443600

約数和(自身を除く): 26732216

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 2909, 3388, 5818, 6776, 11636, 20363, 23272, 31999, 40726, 63998, 81452, 127996, 162904, 223993, 255992, 351989, 447986, 703978, 895972, 1407956, 1791944, 2463923, 2815912, 4927846, 9855692, 19711384]

約数ペア:

[(1, 19711384), (2, 9855692), (4, 4927846), (7, 2815912), (8, 2463923), (11, 1791944), (14, 1407956), (22, 895972), (28, 703978), (44, 447986), (56, 351989), (77, 255992), (88, 223993), (121, 162904), (154, 127996), (242, 81452), (308, 63998), (484, 40726), (616, 31999), (847, 23272), (968, 20363), (1694, 11636), (2909, 6776), (3388, 5818)]