18783904

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 19741856

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 103, 139, 164, 206, 278, 328, 412, 556, 656, 824, 1112, 1312, 1648, 2224, 3296, 4223, 4448, 5699, 8446, 11398, 14317, 16892, 22796, 28634, 33784, 45592, 57268, 67568, 91184, 114536, 135136, 182368, 229072, 458144, 586997, 1173994, 2347988, 4695976, 9391952, 18783904]

約数ペア:

[(1, 18783904), (2, 9391952), (4, 4695976), (8, 2347988), (16, 1173994), (32, 586997), (41, 458144), (82, 229072), (103, 182368), (139, 135136), (164, 114536), (206, 91184), (278, 67568), (328, 57268), (412, 45592), (556, 33784), (656, 28634), (824, 22796), (1112, 16892), (1312, 14317), (1648, 11398), (2224, 8446), (3296, 5699), (4223, 4448)]