19711648

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1981

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 24106112

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 464, 638, 928, 1276, 1931, 2552, 3862, 5104, 7724, 10208, 15448, 21241, 30896, 42482, 55999, 61792, 84964, 111998, 169928, 223996, 339856, 447992, 615989, 679712, 895984, 1231978, 1791968, 2463956, 4927912, 9855824, 19711648]

約数ペア:

[(1, 19711648), (2, 9855824), (4, 4927912), (8, 2463956), (11, 1791968), (16, 1231978), (22, 895984), (29, 679712), (32, 615989), (44, 447992), (58, 339856), (88, 223996), (116, 169928), (176, 111998), (232, 84964), (319, 61792), (352, 55999), (464, 42482), (638, 30896), (928, 21241), (1276, 15448), (1931, 10208), (2552, 7724), (3862, 5104)]