19709792

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 40869360

約数和(自身を除く): 21159568

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 67, 116, 134, 232, 268, 317, 464, 536, 634, 928, 1072, 1268, 1943, 2144, 2536, 3886, 5072, 7772, 9193, 10144, 15544, 18386, 21239, 31088, 36772, 42478, 62176, 73544, 84956, 147088, 169912, 294176, 339824, 615931, 679648, 1231862, 2463724, 4927448, 9854896, 19709792]

約数ペア:

[(1, 19709792), (2, 9854896), (4, 4927448), (8, 2463724), (16, 1231862), (29, 679648), (32, 615931), (58, 339824), (67, 294176), (116, 169912), (134, 147088), (232, 84956), (268, 73544), (317, 62176), (464, 42478), (536, 36772), (634, 31088), (928, 21239), (1072, 18386), (1268, 15544), (1943, 10144), (2144, 9193), (2536, 7772), (3886, 5072)]