18156665744

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1276481}}^1$

素因数の和:1276623

約数の個数: 40

約数和(自身を含む): 40520644608

約数和(自身を除く): 22363978864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 1276481, 2552962, 5105924, 8935367, 10211848, 17870734, 20423696, 35741468, 71482936, 142965872, 162113087, 324226174, 648452348, 1134791609, 1296904696, 2269583218, 2593809392, 4539166436, 9078332872, 18156665744]

約数ペア:

[(1, 18156665744), (2, 9078332872), (4, 4539166436), (7, 2593809392), (8, 2269583218), (14, 1296904696), (16, 1134791609), (28, 648452348), (56, 324226174), (112, 162113087), (127, 142965872), (254, 71482936), (508, 35741468), (889, 20423696), (1016, 17870734), (1778, 10211848), (2032, 8935367), (3556, 5105924), (7112, 2552962), (14224, 1276481)]