19666185616

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{938989}}^1$

素因数の和:939032

約数の個数: 80

約数和(自身を含む): 50299816320

約数和(自身を除く): 30633630704

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 1232, 1309, 1496, 1904, 2618, 2992, 5236, 10472, 20944, 938989, 1877978, 3755956, 6572923, 7511912, 10328879, 13145846, 15023824, 15962813, 20657758, 26291692, 31925626, 41315516, 52583384, 63851252, 72302153, 82631032, 105166768, 111739691, 127702504, 144604306, 165262064, 175590943, 223479382, 255405008, 289208612, 351181886, 446958764, 578417224, 702363772, 893917528, 1156834448, 1229136601, 1404727544, 1787835056, 2458273202, 2809455088, 4916546404, 9833092808, 19666185616]

約数ペア:

[(1, 19666185616), (2, 9833092808), (4, 4916546404), (7, 2809455088), (8, 2458273202), (11, 1787835056), (14, 1404727544), (16, 1229136601), (17, 1156834448), (22, 893917528), (28, 702363772), (34, 578417224), (44, 446958764), (56, 351181886), (68, 289208612), (77, 255405008), (88, 223479382), (112, 175590943), (119, 165262064), (136, 144604306), (154, 127702504), (176, 111739691), (187, 105166768), (238, 82631032), (272, 72302153), (308, 63851252), (374, 52583384), (476, 41315516), (616, 31925626), (748, 26291692), (952, 20657758), (1232, 15962813), (1309, 15023824), (1496, 13145846), (1904, 10328879), (2618, 7511912), (2992, 6572923), (5236, 3755956), (10472, 1877978), (20944, 938989)]