19565521904

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{983}}^1\times {\mathrm{17041}}^1$

素因数の和:18105

約数の個数: 40

約数和(自身を含む): 38468838432

約数和(自身を除く): 18903316528

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 983, 1168, 1966, 3932, 7864, 15728, 17041, 34082, 68164, 71759, 136328, 143518, 272656, 287036, 574072, 1148144, 1243993, 2487986, 4975972, 9951944, 16751303, 19903888, 33502606, 67005212, 134010424, 268020848, 1222845119, 2445690238, 4891380476, 9782760952, 19565521904]

約数ペア:

[(1, 19565521904), (2, 9782760952), (4, 4891380476), (8, 2445690238), (16, 1222845119), (73, 268020848), (146, 134010424), (292, 67005212), (584, 33502606), (983, 19903888), (1168, 16751303), (1966, 9951944), (3932, 4975972), (7864, 2487986), (15728, 1243993), (17041, 1148144), (34082, 574072), (68164, 287036), (71759, 272656), (136328, 143518)]